20227920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{947}}^1$

素因数の和:1052

約数の個数: 80

約数和(自身を含む): 63478080

約数和(自身を除く): 43250160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 890, 947, 1068, 1335, 1424, 1780, 1894, 2136, 2670, 2841, 3560, 3788, 4272, 4735, 5340, 5682, 7120, 7576, 9470, 10680, 11364, 14205, 15152, 18940, 21360, 22728, 28410, 37880, 45456, 56820, 75760, 84283, 113640, 168566, 227280, 252849, 337132, 421415, 505698, 674264, 842830, 1011396, 1264245, 1348528, 1685660, 2022792, 2528490, 3371320, 4045584, 5056980, 6742640, 10113960, 20227920]

約数ペア:

[(1, 20227920), (2, 10113960), (3, 6742640), (4, 5056980), (5, 4045584), (6, 3371320), (8, 2528490), (10, 2022792), (12, 1685660), (15, 1348528), (16, 1264245), (20, 1011396), (24, 842830), (30, 674264), (40, 505698), (48, 421415), (60, 337132), (80, 252849), (89, 227280), (120, 168566), (178, 113640), (240, 84283), (267, 75760), (356, 56820), (445, 45456), (534, 37880), (712, 28410), (890, 22728), (947, 21360), (1068, 18940), (1335, 15152), (1424, 14205), (1780, 11364), (1894, 10680), (2136, 9470), (2670, 7576), (2841, 7120), (3560, 5682), (3788, 5340), (4272, 4735)]