20215751908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 39779131392

約数和(自身を除く): 19563379484

約数列:

[1, 2, 4, 11, 22, 44, 83, 103, 166, 206, 223, 241, 332, 412, 446, 482, 892, 913, 964, 1133, 1826, 2266, 2453, 2651, 3652, 4532, 4906, 5302, 8549, 9812, 10604, 17098, 18509, 20003, 22969, 24823, 34196, 37018, 40006, 45938, 49646, 53743, 74036, 80012, 91876, 94039, 99292, 107486, 188078, 203599, 214972, 220033, 252659, 273053, 376156, 407198, 440066, 505318, 546106, 591173, 814396, 880132, 1010636, 1092212, 1182346, 1906427, 2060309, 2364692, 3812854, 4120618, 4460669, 5535529, 7625708, 8241236, 8921338, 11071058, 17842676, 20970697, 22142116, 22663399, 41941394, 45326798, 49067359, 60890819, 83882788, 90653596, 98134718, 121781638, 196269436, 243563276, 459448907, 918897814, 1837795628, 5053937977, 10107875954, 20215751908]

約数ペア:

[(1, 20215751908), (2, 10107875954), (4, 5053937977), (11, 1837795628), (22, 918897814), (44, 459448907), (83, 243563276), (103, 196269436), (166, 121781638), (206, 98134718), (223, 90653596), (241, 83882788), (332, 60890819), (412, 49067359), (446, 45326798), (482, 41941394), (892, 22663399), (913, 22142116), (964, 20970697), (1133, 17842676), (1826, 11071058), (2266, 8921338), (2453, 8241236), (2651, 7625708), (3652, 5535529), (4532, 4460669), (4906, 4120618), (5302, 3812854), (8549, 2364692), (9812, 2060309), (10604, 1906427), (17098, 1182346), (18509, 1092212), (20003, 1010636), (22969, 880132), (24823, 814396), (34196, 591173), (37018, 546106), (40006, 505318), (45938, 440066), (49646, 407198), (53743, 376156), (74036, 273053), (80012, 252659), (91876, 220033), (94039, 214972), (99292, 203599), (107486, 188078)]