20376850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:124

約数の個数: 96

約数和(自身を含む): 44997120

約数和(自身を除く): 24620270

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 29, 46, 47, 50, 58, 65, 94, 115, 130, 145, 230, 235, 290, 299, 325, 377, 470, 575, 598, 611, 650, 667, 725, 754, 1081, 1150, 1175, 1222, 1334, 1363, 1450, 1495, 1885, 2162, 2350, 2726, 2990, 3055, 3335, 3770, 5405, 6110, 6670, 6815, 7475, 8671, 9425, 10810, 13630, 14053, 14950, 15275, 16675, 17342, 17719, 18850, 27025, 28106, 30550, 31349, 33350, 34075, 35438, 43355, 54050, 62698, 68150, 70265, 86710, 88595, 140530, 156745, 177190, 216775, 313490, 351325, 407537, 433550, 442975, 702650, 783725, 815074, 885950, 1567450, 2037685, 4075370, 10188425, 20376850]

約数ペア:

[(1, 20376850), (2, 10188425), (5, 4075370), (10, 2037685), (13, 1567450), (23, 885950), (25, 815074), (26, 783725), (29, 702650), (46, 442975), (47, 433550), (50, 407537), (58, 351325), (65, 313490), (94, 216775), (115, 177190), (130, 156745), (145, 140530), (230, 88595), (235, 86710), (290, 70265), (299, 68150), (325, 62698), (377, 54050), (470, 43355), (575, 35438), (598, 34075), (611, 33350), (650, 31349), (667, 30550), (725, 28106), (754, 27025), (1081, 18850), (1150, 17719), (1175, 17342), (1222, 16675), (1334, 15275), (1363, 14950), (1450, 14053), (1495, 13630), (1885, 10810), (2162, 9425), (2350, 8671), (2726, 7475), (2990, 6815), (3055, 6670), (3335, 6110), (3770, 5405)]