20163950404

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{2029}}^1$

素因数の和:2361

約数の個数: 72

約数和(自身を含む): 39016851720

約数和(自身を除く): 18852901316

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 169, 241, 244, 338, 482, 676, 793, 964, 1586, 2029, 3133, 3172, 4058, 6266, 8116, 10309, 12532, 14701, 20618, 26377, 29402, 40729, 41236, 52754, 58804, 81458, 105508, 123769, 162916, 191113, 247538, 342901, 382226, 488989, 495076, 685802, 764452, 977978, 1371604, 1608997, 1955956, 2484469, 3217994, 4968938, 6356857, 6435988, 9937876, 12713714, 20916961, 25427428, 29828329, 41833922, 59656658, 82639141, 83667844, 119313316, 165278282, 330556564, 387768277, 775536554, 1551073108, 5040987601, 10081975202, 20163950404]

約数ペア:

[(1, 20163950404), (2, 10081975202), (4, 5040987601), (13, 1551073108), (26, 775536554), (52, 387768277), (61, 330556564), (122, 165278282), (169, 119313316), (241, 83667844), (244, 82639141), (338, 59656658), (482, 41833922), (676, 29828329), (793, 25427428), (964, 20916961), (1586, 12713714), (2029, 9937876), (3133, 6435988), (3172, 6356857), (4058, 4968938), (6266, 3217994), (8116, 2484469), (10309, 1955956), (12532, 1608997), (14701, 1371604), (20618, 977978), (26377, 764452), (29402, 685802), (40729, 495076), (41236, 488989), (52754, 382226), (58804, 342901), (81458, 247538), (105508, 191113), (123769, 162916)]