20456700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{6199}}^1$

素因数の和:6227

約数の個数: 72

約数和(自身を含む): 64579200

約数和(自身を除く): 44122500

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 550, 660, 825, 1100, 1650, 3300, 6199, 12398, 18597, 24796, 30995, 37194, 61990, 68189, 74388, 92985, 123980, 136378, 154975, 185970, 204567, 272756, 309950, 340945, 371940, 409134, 464925, 619900, 681890, 818268, 929850, 1022835, 1363780, 1704725, 1859700, 2045670, 3409450, 4091340, 5114175, 6818900, 10228350, 20456700]

約数ペア:

[(1, 20456700), (2, 10228350), (3, 6818900), (4, 5114175), (5, 4091340), (6, 3409450), (10, 2045670), (11, 1859700), (12, 1704725), (15, 1363780), (20, 1022835), (22, 929850), (25, 818268), (30, 681890), (33, 619900), (44, 464925), (50, 409134), (55, 371940), (60, 340945), (66, 309950), (75, 272756), (100, 204567), (110, 185970), (132, 154975), (150, 136378), (165, 123980), (220, 92985), (275, 74388), (300, 68189), (330, 61990), (550, 37194), (660, 30995), (825, 24796), (1100, 18597), (1650, 12398), (3300, 6199)]