20365250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{53}}^2$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 40196520

約数和(自身を除く): 19831270

約数列:

[1, 2, 5, 10, 25, 29, 50, 53, 58, 106, 125, 145, 250, 265, 290, 530, 725, 1325, 1450, 1537, 2650, 2809, 3074, 3625, 5618, 6625, 7250, 7685, 13250, 14045, 15370, 28090, 38425, 70225, 76850, 81461, 140450, 162922, 192125, 351125, 384250, 407305, 702250, 814610, 2036525, 4073050, 10182625, 20365250]

約数ペア:

[(1, 20365250), (2, 10182625), (5, 4073050), (10, 2036525), (25, 814610), (29, 702250), (50, 407305), (53, 384250), (58, 351125), (106, 192125), (125, 162922), (145, 140450), (250, 81461), (265, 76850), (290, 70225), (530, 38425), (725, 28090), (1325, 15370), (1450, 14045), (1537, 13250), (2650, 7685), (2809, 7250), (3074, 6625), (3625, 5618)]