20105670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1717

約数の個数: 64

約数和(自身を含む): 53673984

約数和(自身を除く): 33568314

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 1663, 2015, 2418, 3326, 4030, 4989, 6045, 8315, 9978, 12090, 16630, 21619, 24945, 43238, 49890, 51553, 64857, 103106, 108095, 129714, 154659, 216190, 257765, 309318, 324285, 515530, 648570, 670189, 773295, 1340378, 1546590, 2010567, 3350945, 4021134, 6701890, 10052835, 20105670]

約数ペア:

[(1, 20105670), (2, 10052835), (3, 6701890), (5, 4021134), (6, 3350945), (10, 2010567), (13, 1546590), (15, 1340378), (26, 773295), (30, 670189), (31, 648570), (39, 515530), (62, 324285), (65, 309318), (78, 257765), (93, 216190), (130, 154659), (155, 129714), (186, 108095), (195, 103106), (310, 64857), (390, 51553), (403, 49890), (465, 43238), (806, 24945), (930, 21619), (1209, 16630), (1663, 12090), (2015, 9978), (2418, 8315), (3326, 6045), (4030, 4989)]