20613450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:101

約数の個数: 144

約数和(自身を含む): 62058528

約数和(自身を除く): 41445078

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 25, 26, 30, 31, 33, 39, 50, 55, 62, 65, 66, 75, 78, 93, 110, 130, 143, 150, 155, 165, 186, 195, 275, 286, 310, 325, 330, 341, 390, 403, 429, 465, 550, 650, 682, 715, 775, 806, 825, 858, 930, 961, 975, 1023, 1209, 1430, 1550, 1650, 1705, 1922, 1950, 2015, 2046, 2145, 2325, 2418, 2883, 3410, 3575, 4030, 4290, 4433, 4650, 4805, 5115, 5766, 6045, 7150, 8525, 8866, 9610, 10075, 10230, 10571, 10725, 12090, 12493, 13299, 14415, 17050, 20150, 21142, 21450, 22165, 24025, 24986, 25575, 26598, 28830, 30225, 31713, 37479, 44330, 48050, 51150, 52855, 60450, 62465, 63426, 66495, 72075, 74958, 105710, 110825, 124930, 132990, 137423, 144150, 158565, 187395, 221650, 264275, 274846, 312325, 317130, 332475, 374790, 412269, 528550, 624650, 664950, 687115, 792825, 824538, 936975, 1374230, 1585650, 1873950, 2061345, 3435575, 4122690, 6871150, 10306725, 20613450]

約数ペア:

[(1, 20613450), (2, 10306725), (3, 6871150), (5, 4122690), (6, 3435575), (10, 2061345), (11, 1873950), (13, 1585650), (15, 1374230), (22, 936975), (25, 824538), (26, 792825), (30, 687115), (31, 664950), (33, 624650), (39, 528550), (50, 412269), (55, 374790), (62, 332475), (65, 317130), (66, 312325), (75, 274846), (78, 264275), (93, 221650), (110, 187395), (130, 158565), (143, 144150), (150, 137423), (155, 132990), (165, 124930), (186, 110825), (195, 105710), (275, 74958), (286, 72075), (310, 66495), (325, 63426), (330, 62465), (341, 60450), (390, 52855), (403, 51150), (429, 48050), (465, 44330), (550, 37479), (650, 31713), (682, 30225), (715, 28830), (775, 26598), (806, 25575), (825, 24986), (858, 24025), (930, 22165), (961, 21450), (975, 21142), (1023, 20150), (1209, 17050), (1430, 14415), (1550, 13299), (1650, 12493), (1705, 12090), (1922, 10725), (1950, 10571), (2015, 10230), (2046, 10075), (2145, 9610), (2325, 8866), (2418, 8525), (2883, 7150), (3410, 6045), (3575, 5766), (4030, 5115), (4290, 4805), (4433, 4650)]