20658092

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 48921600

約数和(自身を除く): 28263508

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 29, 38, 52, 58, 76, 91, 103, 116, 133, 182, 203, 206, 247, 266, 364, 377, 406, 412, 494, 532, 551, 721, 754, 812, 988, 1102, 1339, 1442, 1508, 1729, 1957, 2204, 2639, 2678, 2884, 2987, 3458, 3857, 3914, 5278, 5356, 5974, 6916, 7163, 7714, 7828, 9373, 10556, 11948, 13699, 14326, 15428, 18746, 20909, 25441, 27398, 28652, 37492, 38831, 41818, 50141, 50882, 54796, 56753, 77662, 83636, 100282, 101764, 113506, 155324, 178087, 200564, 227012, 271817, 356174, 397271, 543634, 712348, 737789, 794542, 1087268, 1475578, 1589084, 2951156, 5164523, 10329046, 20658092]

約数ペア:

[(1, 20658092), (2, 10329046), (4, 5164523), (7, 2951156), (13, 1589084), (14, 1475578), (19, 1087268), (26, 794542), (28, 737789), (29, 712348), (38, 543634), (52, 397271), (58, 356174), (76, 271817), (91, 227012), (103, 200564), (116, 178087), (133, 155324), (182, 113506), (203, 101764), (206, 100282), (247, 83636), (266, 77662), (364, 56753), (377, 54796), (406, 50882), (412, 50141), (494, 41818), (532, 38831), (551, 37492), (721, 28652), (754, 27398), (812, 25441), (988, 20909), (1102, 18746), (1339, 15428), (1442, 14326), (1508, 13699), (1729, 11948), (1957, 10556), (2204, 9373), (2639, 7828), (2678, 7714), (2884, 7163), (2987, 6916), (3458, 5974), (3857, 5356), (3914, 5278)]