20172516

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1$

素因数の和:83

約数の個数: 144

約数和(自身を含む): 61488000

約数和(自身を除く): 41315484

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 49, 52, 58, 78, 84, 87, 91, 98, 116, 147, 156, 169, 174, 182, 196, 203, 273, 294, 338, 343, 348, 364, 377, 406, 507, 546, 588, 609, 637, 676, 686, 754, 812, 1014, 1029, 1092, 1131, 1183, 1218, 1274, 1372, 1421, 1508, 1911, 2028, 2058, 2262, 2366, 2436, 2548, 2639, 2842, 3549, 3822, 4116, 4263, 4459, 4524, 4732, 4901, 5278, 5684, 7098, 7644, 7917, 8281, 8526, 8918, 9802, 9947, 10556, 13377, 14196, 14703, 15834, 16562, 17052, 17836, 18473, 19604, 19894, 24843, 26754, 29406, 29841, 31668, 33124, 34307, 36946, 39788, 49686, 53508, 55419, 57967, 58812, 59682, 68614, 73892, 99372, 102921, 110838, 115934, 119364, 129311, 137228, 173901, 205842, 221676, 231868, 240149, 258622, 347802, 387933, 411684, 480298, 517244, 695604, 720447, 775866, 960596, 1440894, 1551732, 1681043, 2881788, 3362086, 5043129, 6724172, 10086258, 20172516]

約数ペア:

[(1, 20172516), (2, 10086258), (3, 6724172), (4, 5043129), (6, 3362086), (7, 2881788), (12, 1681043), (13, 1551732), (14, 1440894), (21, 960596), (26, 775866), (28, 720447), (29, 695604), (39, 517244), (42, 480298), (49, 411684), (52, 387933), (58, 347802), (78, 258622), (84, 240149), (87, 231868), (91, 221676), (98, 205842), (116, 173901), (147, 137228), (156, 129311), (169, 119364), (174, 115934), (182, 110838), (196, 102921), (203, 99372), (273, 73892), (294, 68614), (338, 59682), (343, 58812), (348, 57967), (364, 55419), (377, 53508), (406, 49686), (507, 39788), (546, 36946), (588, 34307), (609, 33124), (637, 31668), (676, 29841), (686, 29406), (754, 26754), (812, 24843), (1014, 19894), (1029, 19604), (1092, 18473), (1131, 17836), (1183, 17052), (1218, 16562), (1274, 15834), (1372, 14703), (1421, 14196), (1508, 13377), (1911, 10556), (2028, 9947), (2058, 9802), (2262, 8918), (2366, 8526), (2436, 8281), (2548, 7917), (2639, 7644), (2842, 7098), (3549, 5684), (3822, 5278), (4116, 4901), (4263, 4732), (4459, 4524)]