20217565740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{122131}}^1$

素因数の和:122263

約数の個数: 96

約数和(自身を含む): 59092346880

約数和(自身を除く): 38874781140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 89, 93, 124, 155, 178, 186, 267, 310, 356, 372, 445, 465, 534, 620, 890, 930, 1068, 1335, 1780, 1860, 2670, 2759, 5340, 5518, 8277, 11036, 13795, 16554, 27590, 33108, 41385, 55180, 82770, 122131, 165540, 244262, 366393, 488524, 610655, 732786, 1221310, 1465572, 1831965, 2442620, 3663930, 3786061, 7327860, 7572122, 10869659, 11358183, 15144244, 18930305, 21739318, 22716366, 32608977, 37860610, 43478636, 45432732, 54348295, 56790915, 65217954, 75721220, 108696590, 113581830, 130435908, 163044885, 217393180, 227163660, 326089770, 336959429, 652179540, 673918858, 1010878287, 1347837716, 1684797145, 2021756574, 3369594290, 4043513148, 5054391435, 6739188580, 10108782870, 20217565740]

約数ペア:

[(1, 20217565740), (2, 10108782870), (3, 6739188580), (4, 5054391435), (5, 4043513148), (6, 3369594290), (10, 2021756574), (12, 1684797145), (15, 1347837716), (20, 1010878287), (30, 673918858), (31, 652179540), (60, 336959429), (62, 326089770), (89, 227163660), (93, 217393180), (124, 163044885), (155, 130435908), (178, 113581830), (186, 108696590), (267, 75721220), (310, 65217954), (356, 56790915), (372, 54348295), (445, 45432732), (465, 43478636), (534, 37860610), (620, 32608977), (890, 22716366), (930, 21739318), (1068, 18930305), (1335, 15144244), (1780, 11358183), (1860, 10869659), (2670, 7572122), (2759, 7327860), (5340, 3786061), (5518, 3663930), (8277, 2442620), (11036, 1831965), (13795, 1465572), (16554, 1221310), (27590, 732786), (33108, 610655), (41385, 488524), (55180, 366393), (82770, 244262), (122131, 165540)]