20943900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{7757}}^1$

素因数の和:7780

約数の個数: 72

約数和(自身を含む): 67339440

約数和(自身を除く): 46395540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 7757, 15514, 23271, 31028, 38785, 46542, 69813, 77570, 93084, 116355, 139626, 155140, 193925, 209439, 232710, 279252, 349065, 387850, 418878, 465420, 581775, 698130, 775700, 837756, 1047195, 1163550, 1396260, 1745325, 2094390, 2327100, 3490650, 4188780, 5235975, 6981300, 10471950, 20943900]

約数ペア:

[(1, 20943900), (2, 10471950), (3, 6981300), (4, 5235975), (5, 4188780), (6, 3490650), (9, 2327100), (10, 2094390), (12, 1745325), (15, 1396260), (18, 1163550), (20, 1047195), (25, 837756), (27, 775700), (30, 698130), (36, 581775), (45, 465420), (50, 418878), (54, 387850), (60, 349065), (75, 279252), (90, 232710), (100, 209439), (108, 193925), (135, 155140), (150, 139626), (180, 116355), (225, 93084), (270, 77570), (300, 69813), (450, 46542), (540, 38785), (675, 31028), (900, 23271), (1350, 15514), (2700, 7757)]