20512487970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{922739}}^1$

素因数の和:922784

約数の個数: 96

約数和(自身を含む): 60457924800

約数和(自身を除く): 39945436830

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 38, 39, 45, 57, 65, 78, 90, 95, 114, 117, 130, 171, 190, 195, 234, 247, 285, 342, 390, 494, 570, 585, 741, 855, 1170, 1235, 1482, 1710, 2223, 2470, 3705, 4446, 7410, 11115, 22230, 922739, 1845478, 2768217, 4613695, 5536434, 8304651, 9227390, 11995607, 13841085, 16609302, 17532041, 23991214, 27682170, 35064082, 35986821, 41523255, 52596123, 59978035, 71973642, 83046510, 87660205, 105192246, 107960463, 119956070, 157788369, 175320410, 179934105, 215920926, 227916533, 262980615, 315576738, 359868210, 455833066, 525961230, 539802315, 683749599, 788941845, 1079604630, 1139582665, 1367499198, 1577883690, 2051248797, 2279165330, 3418747995, 4102497594, 6837495990, 10256243985, 20512487970]

約数ペア:

[(1, 20512487970), (2, 10256243985), (3, 6837495990), (5, 4102497594), (6, 3418747995), (9, 2279165330), (10, 2051248797), (13, 1577883690), (15, 1367499198), (18, 1139582665), (19, 1079604630), (26, 788941845), (30, 683749599), (38, 539802315), (39, 525961230), (45, 455833066), (57, 359868210), (65, 315576738), (78, 262980615), (90, 227916533), (95, 215920926), (114, 179934105), (117, 175320410), (130, 157788369), (171, 119956070), (190, 107960463), (195, 105192246), (234, 87660205), (247, 83046510), (285, 71973642), (342, 59978035), (390, 52596123), (494, 41523255), (570, 35986821), (585, 35064082), (741, 27682170), (855, 23991214), (1170, 17532041), (1235, 16609302), (1482, 13841085), (1710, 11995607), (2223, 9227390), (2470, 8304651), (3705, 5536434), (4446, 4613695), (7410, 2768217), (11115, 1845478), (22230, 922739)]