20371222440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{18919}}^1$

素因数の和:19936

約数の個数: 128

約数和(自身を含む): 67975776000

約数和(自身を除く): 47604553560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 997, 1080, 1994, 2991, 3988, 4985, 5982, 7976, 8973, 9970, 11964, 14955, 17946, 18919, 19940, 23928, 26919, 29910, 35892, 37838, 39880, 44865, 53838, 56757, 59820, 71784, 75676, 89730, 94595, 107676, 113514, 119640, 134595, 151352, 170271, 179460, 189190, 215352, 227028, 269190, 283785, 340542, 358920, 378380, 454056, 510813, 538380, 567570, 681084, 756760, 851355, 1021626, 1076760, 1135140, 1362168, 1702710, 2043252, 2270280, 2554065, 3405420, 4086504, 5108130, 6810840, 10216260, 18862243, 20432520, 37724486, 56586729, 75448972, 94311215, 113173458, 150897944, 169760187, 188622430, 226346916, 282933645, 339520374, 377244860, 452693832, 509280561, 565867290, 679040748, 754489720, 848800935, 1018561122, 1131734580, 1358081496, 1697601870, 2037122244, 2263469160, 2546402805, 3395203740, 4074244488, 5092805610, 6790407480, 10185611220, 20371222440]

約数ペア:

[(1, 20371222440), (2, 10185611220), (3, 6790407480), (4, 5092805610), (5, 4074244488), (6, 3395203740), (8, 2546402805), (9, 2263469160), (10, 2037122244), (12, 1697601870), (15, 1358081496), (18, 1131734580), (20, 1018561122), (24, 848800935), (27, 754489720), (30, 679040748), (36, 565867290), (40, 509280561), (45, 452693832), (54, 377244860), (60, 339520374), (72, 282933645), (90, 226346916), (108, 188622430), (120, 169760187), (135, 150897944), (180, 113173458), (216, 94311215), (270, 75448972), (360, 56586729), (540, 37724486), (997, 20432520), (1080, 18862243), (1994, 10216260), (2991, 6810840), (3988, 5108130), (4985, 4086504), (5982, 3405420), (7976, 2554065), (8973, 2270280), (9970, 2043252), (11964, 1702710), (14955, 1362168), (17946, 1135140), (18919, 1076760), (19940, 1021626), (23928, 851355), (26919, 756760), (29910, 681084), (35892, 567570), (37838, 538380), (39880, 510813), (44865, 454056), (53838, 378380), (56757, 358920), (59820, 340542), (71784, 283785), (75676, 269190), (89730, 227028), (94595, 215352), (107676, 189190), (113514, 179460), (119640, 170271), (134595, 151352)]