20102160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:425

約数の個数: 160

約数和(自身を含む): 71245440

約数和(自身を除く): 51143280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 208, 221, 240, 255, 260, 272, 312, 340, 379, 390, 408, 442, 510, 520, 624, 663, 680, 758, 780, 816, 884, 1020, 1040, 1105, 1137, 1326, 1360, 1516, 1560, 1768, 1895, 2040, 2210, 2274, 2652, 3032, 3120, 3315, 3536, 3790, 4080, 4420, 4548, 4927, 5304, 5685, 6064, 6443, 6630, 7580, 8840, 9096, 9854, 10608, 11370, 12886, 13260, 14781, 15160, 17680, 18192, 19329, 19708, 22740, 24635, 25772, 26520, 29562, 30320, 32215, 38658, 39416, 45480, 49270, 51544, 53040, 59124, 64430, 73905, 77316, 78832, 83759, 90960, 96645, 98540, 103088, 118248, 128860, 147810, 154632, 167518, 193290, 197080, 236496, 251277, 257720, 295620, 309264, 335036, 386580, 394160, 418795, 502554, 515440, 591240, 670072, 773160, 837590, 1005108, 1182480, 1256385, 1340144, 1546320, 1675180, 2010216, 2512770, 3350360, 4020432, 5025540, 6700720, 10051080, 20102160]

約数ペア:

[(1, 20102160), (2, 10051080), (3, 6700720), (4, 5025540), (5, 4020432), (6, 3350360), (8, 2512770), (10, 2010216), (12, 1675180), (13, 1546320), (15, 1340144), (16, 1256385), (17, 1182480), (20, 1005108), (24, 837590), (26, 773160), (30, 670072), (34, 591240), (39, 515440), (40, 502554), (48, 418795), (51, 394160), (52, 386580), (60, 335036), (65, 309264), (68, 295620), (78, 257720), (80, 251277), (85, 236496), (102, 197080), (104, 193290), (120, 167518), (130, 154632), (136, 147810), (156, 128860), (170, 118248), (195, 103088), (204, 98540), (208, 96645), (221, 90960), (240, 83759), (255, 78832), (260, 77316), (272, 73905), (312, 64430), (340, 59124), (379, 53040), (390, 51544), (408, 49270), (442, 45480), (510, 39416), (520, 38658), (624, 32215), (663, 30320), (680, 29562), (758, 26520), (780, 25772), (816, 24635), (884, 22740), (1020, 19708), (1040, 19329), (1105, 18192), (1137, 17680), (1326, 15160), (1360, 14781), (1516, 13260), (1560, 12886), (1768, 11370), (1895, 10608), (2040, 9854), (2210, 9096), (2274, 8840), (2652, 7580), (3032, 6630), (3120, 6443), (3315, 6064), (3536, 5685), (3790, 5304), (4080, 4927), (4420, 4548)]