20218480492

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{1277}}^1$

素因数の和:1615

約数の個数: 96

約数和(自身を含む): 42294970368

約数和(自身を除く): 22076489876

約数列:

[1, 2, 4, 7, 14, 28, 47, 53, 94, 106, 188, 212, 227, 329, 371, 454, 658, 742, 908, 1277, 1316, 1484, 1589, 2491, 2554, 3178, 4982, 5108, 6356, 8939, 9964, 10669, 12031, 17437, 17878, 21338, 24062, 34874, 35756, 42676, 48124, 60019, 67681, 69748, 74683, 84217, 120038, 135362, 149366, 168434, 240076, 270724, 289879, 298732, 336868, 420133, 473767, 565457, 579758, 840266, 947534, 1130914, 1159516, 1680532, 1895068, 2029153, 2261828, 3181007, 3958199, 4058306, 6362014, 7916398, 8116612, 12724028, 13624313, 15363587, 15832796, 22267049, 27248626, 30727174, 44534098, 54497252, 61454348, 89068196, 95370191, 107545109, 190740382, 215090218, 381480764, 430180436, 722088589, 1444177178, 2888354356, 5054620123, 10109240246, 20218480492]

約数ペア:

[(1, 20218480492), (2, 10109240246), (4, 5054620123), (7, 2888354356), (14, 1444177178), (28, 722088589), (47, 430180436), (53, 381480764), (94, 215090218), (106, 190740382), (188, 107545109), (212, 95370191), (227, 89068196), (329, 61454348), (371, 54497252), (454, 44534098), (658, 30727174), (742, 27248626), (908, 22267049), (1277, 15832796), (1316, 15363587), (1484, 13624313), (1589, 12724028), (2491, 8116612), (2554, 7916398), (3178, 6362014), (4982, 4058306), (5108, 3958199), (6356, 3181007), (8939, 2261828), (9964, 2029153), (10669, 1895068), (12031, 1680532), (17437, 1159516), (17878, 1130914), (21338, 947534), (24062, 840266), (34874, 579758), (35756, 565457), (42676, 473767), (48124, 420133), (60019, 336868), (67681, 298732), (69748, 289879), (74683, 270724), (84217, 240076), (120038, 168434), (135362, 149366)]