20716389720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{260387}}^1$

素因数の和:260434

約数の個数: 192

約数和(自身を含む): 76772797920

約数和(自身を除く): 56056408200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 663, 680, 765, 780, 884, 936, 1020, 1105, 1170, 1224, 1326, 1530, 1560, 1768, 1989, 2040, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 4680, 5304, 6120, 6630, 7956, 8840, 9945, 13260, 15912, 19890, 26520, 39780, 79560, 260387, 520774, 781161, 1041548, 1301935, 1562322, 2083096, 2343483, 2603870, 3124644, 3385031, 3905805, 4426579, 4686966, 5207740, 6249288, 6770062, 7811610, 8853158, 9373932, 10155093, 10415480, 11717415, 13279737, 13540124, 15623220, 16925155, 17706316, 18747864, 20310186, 22132895, 23434830, 26559474, 27080248, 30465279, 31246440, 33850310, 35412632, 39839211, 40620372, 44265790, 46869660, 50775465, 53118948, 57545527, 60930558, 66398685, 67700620, 79678422, 81240744, 88531580, 93739320, 101550930, 106237896, 115091054, 121861116, 132797370, 135401240, 152326395, 159356844, 172636581, 177063160, 199196055, 203101860, 230182108, 243722232, 265594740, 287727635, 304652790, 318713688, 345273162, 398392110, 406203720, 460364216, 517909743, 531189480, 575455270, 609305580, 690546324, 796784220, 863182905, 1035819486, 1150910540, 1218611160, 1381092648, 1593568440, 1726365810, 2071638972, 2301821080, 2589548715, 3452731620, 4143277944, 5179097430, 6905463240, 10358194860, 20716389720]

約数ペア:

[(1, 20716389720), (2, 10358194860), (3, 6905463240), (4, 5179097430), (5, 4143277944), (6, 3452731620), (8, 2589548715), (9, 2301821080), (10, 2071638972), (12, 1726365810), (13, 1593568440), (15, 1381092648), (17, 1218611160), (18, 1150910540), (20, 1035819486), (24, 863182905), (26, 796784220), (30, 690546324), (34, 609305580), (36, 575455270), (39, 531189480), (40, 517909743), (45, 460364216), (51, 406203720), (52, 398392110), (60, 345273162), (65, 318713688), (68, 304652790), (72, 287727635), (78, 265594740), (85, 243722232), (90, 230182108), (102, 203101860), (104, 199196055), (117, 177063160), (120, 172636581), (130, 159356844), (136, 152326395), (153, 135401240), (156, 132797370), (170, 121861116), (180, 115091054), (195, 106237896), (204, 101550930), (221, 93739320), (234, 88531580), (255, 81240744), (260, 79678422), (306, 67700620), (312, 66398685), (340, 60930558), (360, 57545527), (390, 53118948), (408, 50775465), (442, 46869660), (468, 44265790), (510, 40620372), (520, 39839211), (585, 35412632), (612, 33850310), (663, 31246440), (680, 30465279), (765, 27080248), (780, 26559474), (884, 23434830), (936, 22132895), (1020, 20310186), (1105, 18747864), (1170, 17706316), (1224, 16925155), (1326, 15623220), (1530, 13540124), (1560, 13279737), (1768, 11717415), (1989, 10415480), (2040, 10155093), (2210, 9373932), (2340, 8853158), (2652, 7811610), (3060, 6770062), (3315, 6249288), (3978, 5207740), (4420, 4686966), (4680, 4426579), (5304, 3905805), (6120, 3385031), (6630, 3124644), (7956, 2603870), (8840, 2343483), (9945, 2083096), (13260, 1562322), (15912, 1301935), (19890, 1041548), (26520, 781161), (39780, 520774), (79560, 260387)]