20170676980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1\times {\mathrm{523}}^1$

素因数の和:1129

約数の個数: 96

約数和(自身を含む): 43924446720

約数和(自身を除く): 23753769740

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 178, 188, 235, 356, 445, 461, 470, 523, 890, 922, 940, 1046, 1780, 1844, 2092, 2305, 2615, 4183, 4610, 5230, 8366, 9220, 10460, 16732, 20915, 21667, 24581, 41029, 41830, 43334, 46547, 49162, 82058, 83660, 86668, 93094, 98324, 108335, 122905, 164116, 186188, 205145, 216670, 232735, 241103, 245810, 410290, 433340, 465470, 482206, 491620, 820580, 930940, 964412, 1205515, 1928363, 2187709, 2411030, 3856726, 4375418, 4822060, 7713452, 8750836, 9641815, 10938545, 11331841, 19283630, 21458167, 21877090, 22663682, 38567260, 42916334, 43754180, 45327364, 56659205, 85832668, 107290835, 113318410, 214581670, 226636820, 429163340, 1008533849, 2017067698, 4034135396, 5042669245, 10085338490, 20170676980]

約数ペア:

[(1, 20170676980), (2, 10085338490), (4, 5042669245), (5, 4034135396), (10, 2017067698), (20, 1008533849), (47, 429163340), (89, 226636820), (94, 214581670), (178, 113318410), (188, 107290835), (235, 85832668), (356, 56659205), (445, 45327364), (461, 43754180), (470, 42916334), (523, 38567260), (890, 22663682), (922, 21877090), (940, 21458167), (1046, 19283630), (1780, 11331841), (1844, 10938545), (2092, 9641815), (2305, 8750836), (2615, 7713452), (4183, 4822060), (4610, 4375418), (5230, 3856726), (8366, 2411030), (9220, 2187709), (10460, 1928363), (16732, 1205515), (20915, 964412), (21667, 930940), (24581, 820580), (41029, 491620), (41830, 482206), (43334, 465470), (46547, 433340), (49162, 410290), (82058, 245810), (83660, 241103), (86668, 232735), (93094, 216670), (98324, 205145), (108335, 186188), (122905, 164116)]