20463950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1657}}^1$

素因数の和:1701

約数の個数: 48

約数和(自身を含む): 43174320

約数和(自身を除く): 22710370

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 1657, 2470, 3314, 6175, 8285, 12350, 16570, 21541, 31483, 41425, 43082, 62966, 82850, 107705, 157415, 215410, 314830, 409279, 538525, 787075, 818558, 1077050, 1574150, 2046395, 4092790, 10231975, 20463950]

約数ペア:

[(1, 20463950), (2, 10231975), (5, 4092790), (10, 2046395), (13, 1574150), (19, 1077050), (25, 818558), (26, 787075), (38, 538525), (50, 409279), (65, 314830), (95, 215410), (130, 157415), (190, 107705), (247, 82850), (325, 62966), (475, 43082), (494, 41425), (650, 31483), (950, 21541), (1235, 16570), (1657, 12350), (2470, 8285), (3314, 6175)]