20185209980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5011}}^1\times {\mathrm{15493}}^1$

素因数の和:20526

約数の個数: 48

約数和(自身を含む): 45661685664

約数和(自身を除く): 25476475684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5011, 10022, 15493, 20044, 25055, 30986, 50110, 61972, 65143, 77465, 100220, 130286, 154930, 201409, 260572, 309860, 325715, 402818, 651430, 805636, 1007045, 1302860, 2014090, 4028180, 77635423, 155270846, 310541692, 388177115, 776354230, 1009260499, 1552708460, 2018520998, 4037041996, 5046302495, 10092604990, 20185209980]

約数ペア:

[(1, 20185209980), (2, 10092604990), (4, 5046302495), (5, 4037041996), (10, 2018520998), (13, 1552708460), (20, 1009260499), (26, 776354230), (52, 388177115), (65, 310541692), (130, 155270846), (260, 77635423), (5011, 4028180), (10022, 2014090), (15493, 1302860), (20044, 1007045), (25055, 805636), (30986, 651430), (50110, 402818), (61972, 325715), (65143, 309860), (77465, 260572), (100220, 201409), (130286, 154930)]