20301918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 53254656

約数和(自身を除く): 32952738

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 103, 114, 133, 182, 206, 247, 266, 273, 309, 361, 399, 494, 546, 618, 721, 722, 741, 798, 1083, 1339, 1442, 1482, 1729, 1957, 2163, 2166, 2527, 2678, 3458, 3914, 4017, 4326, 4693, 5054, 5187, 5871, 7581, 8034, 9373, 9386, 10374, 11742, 13699, 14079, 15162, 18746, 25441, 27398, 28119, 28158, 32851, 37183, 41097, 50882, 56238, 65702, 74366, 76323, 82194, 98553, 111549, 152646, 178087, 197106, 223098, 260281, 356174, 483379, 520562, 534261, 780843, 966758, 1068522, 1450137, 1561686, 2900274, 3383653, 6767306, 10150959, 20301918]

約数ペア:

[(1, 20301918), (2, 10150959), (3, 6767306), (6, 3383653), (7, 2900274), (13, 1561686), (14, 1450137), (19, 1068522), (21, 966758), (26, 780843), (38, 534261), (39, 520562), (42, 483379), (57, 356174), (78, 260281), (91, 223098), (103, 197106), (114, 178087), (133, 152646), (182, 111549), (206, 98553), (247, 82194), (266, 76323), (273, 74366), (309, 65702), (361, 56238), (399, 50882), (494, 41097), (546, 37183), (618, 32851), (721, 28158), (722, 28119), (741, 27398), (798, 25441), (1083, 18746), (1339, 15162), (1442, 14079), (1482, 13699), (1729, 11742), (1957, 10374), (2163, 9386), (2166, 9373), (2527, 8034), (2678, 7581), (3458, 5871), (3914, 5187), (4017, 5054), (4326, 4693)]