20120203664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{11777}}^1$

素因数の和:12384

約数の個数: 80

約数和(自身を含む): 45111059136

約数和(自身を除く): 24990855472

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 571, 748, 1142, 1496, 2284, 2992, 4568, 6281, 9136, 9707, 11777, 12562, 19414, 23554, 25124, 38828, 47108, 50248, 77656, 94216, 100496, 106777, 129547, 155312, 188432, 200209, 213554, 259094, 400418, 427108, 518188, 800836, 854216, 1036376, 1601672, 1708432, 2072752, 2202299, 3203344, 4404598, 6724667, 8809196, 13449334, 17618392, 26898668, 35236784, 53797336, 73971337, 107594672, 114319339, 147942674, 228638678, 295885348, 457277356, 591770696, 914554712, 1183541392, 1257512729, 1829109424, 2515025458, 5030050916, 10060101832, 20120203664]

約数ペア:

[(1, 20120203664), (2, 10060101832), (4, 5030050916), (8, 2515025458), (11, 1829109424), (16, 1257512729), (17, 1183541392), (22, 914554712), (34, 591770696), (44, 457277356), (68, 295885348), (88, 228638678), (136, 147942674), (176, 114319339), (187, 107594672), (272, 73971337), (374, 53797336), (571, 35236784), (748, 26898668), (1142, 17618392), (1496, 13449334), (2284, 8809196), (2992, 6724667), (4568, 4404598), (6281, 3203344), (9136, 2202299), (9707, 2072752), (11777, 1708432), (12562, 1601672), (19414, 1036376), (23554, 854216), (25124, 800836), (38828, 518188), (47108, 427108), (50248, 400418), (77656, 259094), (94216, 213554), (100496, 200209), (106777, 188432), (129547, 155312)]