20503116

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 55036800

約数和(自身を除く): 34533684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 41, 58, 82, 87, 116, 123, 164, 174, 246, 261, 348, 369, 479, 492, 522, 738, 958, 1044, 1189, 1437, 1476, 1916, 2378, 2874, 3567, 4311, 4756, 5748, 7134, 8622, 10701, 13891, 14268, 17244, 19639, 21402, 27782, 39278, 41673, 42804, 55564, 58917, 78556, 83346, 117834, 125019, 166692, 176751, 235668, 250038, 353502, 500076, 569531, 707004, 1139062, 1708593, 2278124, 3417186, 5125779, 6834372, 10251558, 20503116]

約数ペア:

[(1, 20503116), (2, 10251558), (3, 6834372), (4, 5125779), (6, 3417186), (9, 2278124), (12, 1708593), (18, 1139062), (29, 707004), (36, 569531), (41, 500076), (58, 353502), (82, 250038), (87, 235668), (116, 176751), (123, 166692), (164, 125019), (174, 117834), (246, 83346), (261, 78556), (348, 58917), (369, 55564), (479, 42804), (492, 41673), (522, 39278), (738, 27782), (958, 21402), (1044, 19639), (1189, 17244), (1437, 14268), (1476, 13891), (1916, 10701), (2378, 8622), (2874, 7134), (3567, 5748), (4311, 4756)]