20346943820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{177889}}^1$

素因数の和:177967

約数の個数: 96

約数和(自身を含む): 52598515200

約数和(自身を除く): 32251571380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 43, 70, 76, 86, 95, 133, 140, 172, 190, 215, 266, 301, 380, 430, 532, 602, 665, 817, 860, 1204, 1330, 1505, 1634, 2660, 3010, 3268, 4085, 5719, 6020, 8170, 11438, 16340, 22876, 28595, 57190, 114380, 177889, 355778, 711556, 889445, 1245223, 1778890, 2490446, 3379891, 3557780, 4980892, 6226115, 6759782, 7649227, 12452230, 13519564, 15298454, 16899455, 23659237, 24904460, 30596908, 33798910, 38246135, 47318474, 53544589, 67597820, 76492270, 94636948, 107089178, 118296185, 145335313, 152984540, 214178356, 236592370, 267722945, 290670626, 473184740, 535445890, 581341252, 726676565, 1017347191, 1070891780, 1453353130, 2034694382, 2906706260, 4069388764, 5086735955, 10173471910, 20346943820]

約数ペア:

[(1, 20346943820), (2, 10173471910), (4, 5086735955), (5, 4069388764), (7, 2906706260), (10, 2034694382), (14, 1453353130), (19, 1070891780), (20, 1017347191), (28, 726676565), (35, 581341252), (38, 535445890), (43, 473184740), (70, 290670626), (76, 267722945), (86, 236592370), (95, 214178356), (133, 152984540), (140, 145335313), (172, 118296185), (190, 107089178), (215, 94636948), (266, 76492270), (301, 67597820), (380, 53544589), (430, 47318474), (532, 38246135), (602, 33798910), (665, 30596908), (817, 24904460), (860, 23659237), (1204, 16899455), (1330, 15298454), (1505, 13519564), (1634, 12452230), (2660, 7649227), (3010, 6759782), (3268, 6226115), (4085, 4980892), (5719, 3557780), (6020, 3379891), (8170, 2490446), (11438, 1778890), (16340, 1245223), (22876, 889445), (28595, 711556), (57190, 355778), (114380, 177889)]