20204550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{761}}^1$

素因数の和:838

約数の個数: 72

約数和(自身を含む): 55275480

約数和(自身を除く): 35070930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 59, 75, 90, 118, 150, 177, 225, 295, 354, 450, 531, 590, 761, 885, 1062, 1475, 1522, 1770, 2283, 2655, 2950, 3805, 4425, 4566, 5310, 6849, 7610, 8850, 11415, 13275, 13698, 19025, 22830, 26550, 34245, 38050, 44899, 57075, 68490, 89798, 114150, 134697, 171225, 224495, 269394, 342450, 404091, 448990, 673485, 808182, 1122475, 1346970, 2020455, 2244950, 3367425, 4040910, 6734850, 10102275, 20204550]

約数ペア:

[(1, 20204550), (2, 10102275), (3, 6734850), (5, 4040910), (6, 3367425), (9, 2244950), (10, 2020455), (15, 1346970), (18, 1122475), (25, 808182), (30, 673485), (45, 448990), (50, 404091), (59, 342450), (75, 269394), (90, 224495), (118, 171225), (150, 134697), (177, 114150), (225, 89798), (295, 68490), (354, 57075), (450, 44899), (531, 38050), (590, 34245), (761, 26550), (885, 22830), (1062, 19025), (1475, 13698), (1522, 13275), (1770, 11415), (2283, 8850), (2655, 7610), (2950, 6849), (3805, 5310), (4425, 4566)]