20609316

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 66777984

約数和(自身を除く): 46168668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 233, 234, 243, 252, 273, 324, 351, 364, 378, 466, 468, 486, 546, 567, 699, 702, 756, 819, 932, 972, 1053, 1092, 1134, 1398, 1404, 1631, 1638, 1701, 2097, 2106, 2268, 2457, 2796, 3029, 3159, 3262, 3276, 3402, 4194, 4212, 4893, 4914, 6058, 6291, 6318, 6524, 6804, 7371, 8388, 9087, 9786, 9828, 12116, 12582, 12636, 14679, 14742, 18174, 18873, 19572, 21203, 22113, 25164, 27261, 29358, 29484, 36348, 37746, 42406, 44037, 44226, 54522, 56619, 58716, 63609, 75492, 81783, 84812, 88074, 88452, 109044, 113238, 127218, 132111, 163566, 176148, 190827, 226476, 245349, 254436, 264222, 327132, 381654, 396333, 490698, 528444, 572481, 736047, 763308, 792666, 981396, 1144962, 1472094, 1585332, 1717443, 2289924, 2944188, 3434886, 5152329, 6869772, 10304658, 20609316]

約数ペア:

[(1, 20609316), (2, 10304658), (3, 6869772), (4, 5152329), (6, 3434886), (7, 2944188), (9, 2289924), (12, 1717443), (13, 1585332), (14, 1472094), (18, 1144962), (21, 981396), (26, 792666), (27, 763308), (28, 736047), (36, 572481), (39, 528444), (42, 490698), (52, 396333), (54, 381654), (63, 327132), (78, 264222), (81, 254436), (84, 245349), (91, 226476), (108, 190827), (117, 176148), (126, 163566), (156, 132111), (162, 127218), (182, 113238), (189, 109044), (233, 88452), (234, 88074), (243, 84812), (252, 81783), (273, 75492), (324, 63609), (351, 58716), (364, 56619), (378, 54522), (466, 44226), (468, 44037), (486, 42406), (546, 37746), (567, 36348), (699, 29484), (702, 29358), (756, 27261), (819, 25164), (932, 22113), (972, 21203), (1053, 19572), (1092, 18873), (1134, 18174), (1398, 14742), (1404, 14679), (1631, 12636), (1638, 12582), (1701, 12116), (2097, 9828), (2106, 9786), (2268, 9087), (2457, 8388), (2796, 7371), (3029, 6804), (3159, 6524), (3262, 6318), (3276, 6291), (3402, 6058), (4194, 4914), (4212, 4893)]