20514104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 45087840

約数和(自身を除く): 24573736

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 41, 52, 68, 82, 104, 136, 164, 221, 283, 328, 442, 533, 566, 697, 884, 1066, 1132, 1394, 1768, 2132, 2264, 2788, 3679, 4264, 4811, 5576, 7358, 9061, 9622, 11603, 14716, 18122, 19244, 23206, 29432, 36244, 38488, 46412, 62543, 72488, 92824, 125086, 150839, 197251, 250172, 301678, 394502, 500344, 603356, 789004, 1206712, 1578008, 2564263, 5128526, 10257052, 20514104]

約数ペア:

[(1, 20514104), (2, 10257052), (4, 5128526), (8, 2564263), (13, 1578008), (17, 1206712), (26, 789004), (34, 603356), (41, 500344), (52, 394502), (68, 301678), (82, 250172), (104, 197251), (136, 150839), (164, 125086), (221, 92824), (283, 72488), (328, 62543), (442, 46412), (533, 38488), (566, 36244), (697, 29432), (884, 23206), (1066, 19244), (1132, 18122), (1394, 14716), (1768, 11603), (2132, 9622), (2264, 9061), (2788, 7358), (3679, 5576), (4264, 4811)]