20947950

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 58924800

約数和(自身を除く): 37976850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 59, 75, 90, 118, 135, 150, 177, 225, 263, 270, 295, 354, 450, 526, 531, 590, 675, 789, 885, 1062, 1315, 1350, 1475, 1578, 1593, 1770, 2367, 2630, 2655, 2950, 3186, 3945, 4425, 4734, 5310, 6575, 7101, 7890, 7965, 8850, 11835, 13150, 13275, 14202, 15517, 15930, 19725, 23670, 26550, 31034, 35505, 39450, 39825, 46551, 59175, 71010, 77585, 79650, 93102, 118350, 139653, 155170, 177525, 232755, 279306, 355050, 387925, 418959, 465510, 698265, 775850, 837918, 1163775, 1396530, 2094795, 2327550, 3491325, 4189590, 6982650, 10473975, 20947950]

約数ペア:

[(1, 20947950), (2, 10473975), (3, 6982650), (5, 4189590), (6, 3491325), (9, 2327550), (10, 2094795), (15, 1396530), (18, 1163775), (25, 837918), (27, 775850), (30, 698265), (45, 465510), (50, 418959), (54, 387925), (59, 355050), (75, 279306), (90, 232755), (118, 177525), (135, 155170), (150, 139653), (177, 118350), (225, 93102), (263, 79650), (270, 77585), (295, 71010), (354, 59175), (450, 46551), (526, 39825), (531, 39450), (590, 35505), (675, 31034), (789, 26550), (885, 23670), (1062, 19725), (1315, 15930), (1350, 15517), (1475, 14202), (1578, 13275), (1593, 13150), (1770, 11835), (2367, 8850), (2630, 7965), (2655, 7890), (2950, 7101), (3186, 6575), (3945, 5310), (4425, 4734)]