20696250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{5519}}^1$

素因数の和:5544

約数の個数: 40

約数和(自身を含む): 51733440

約数和(自身を除く): 31037190

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 5519, 11038, 16557, 27595, 33114, 55190, 82785, 137975, 165570, 275950, 413925, 689875, 827850, 1379750, 2069625, 3449375, 4139250, 6898750, 10348125, 20696250]

約数ペア:

[(1, 20696250), (2, 10348125), (3, 6898750), (5, 4139250), (6, 3449375), (10, 2069625), (15, 1379750), (25, 827850), (30, 689875), (50, 413925), (75, 275950), (125, 165570), (150, 137975), (250, 82785), (375, 55190), (625, 33114), (750, 27595), (1250, 16557), (1875, 11038), (3750, 5519)]