20750250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 52640640

約数和(自身を除く): 31890390

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 73, 75, 125, 146, 150, 219, 250, 365, 375, 379, 438, 730, 750, 758, 1095, 1137, 1825, 1895, 2190, 2274, 3650, 3790, 5475, 5685, 9125, 9475, 10950, 11370, 18250, 18950, 27375, 27667, 28425, 47375, 54750, 55334, 56850, 83001, 94750, 138335, 142125, 166002, 276670, 284250, 415005, 691675, 830010, 1383350, 2075025, 3458375, 4150050, 6916750, 10375125, 20750250]

約数ペア:

[(1, 20750250), (2, 10375125), (3, 6916750), (5, 4150050), (6, 3458375), (10, 2075025), (15, 1383350), (25, 830010), (30, 691675), (50, 415005), (73, 284250), (75, 276670), (125, 166002), (146, 142125), (150, 138335), (219, 94750), (250, 83001), (365, 56850), (375, 55334), (379, 54750), (438, 47375), (730, 28425), (750, 27667), (758, 27375), (1095, 18950), (1137, 18250), (1825, 11370), (1895, 10950), (2190, 9475), (2274, 9125), (3650, 5685), (3790, 5475)]