20699952

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{677}}^1$

素因数の和:715

約数の個数: 120

約数和(自身を含む): 67089456

約数和(自身を除く): 46389504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 49, 52, 56, 78, 84, 91, 98, 104, 112, 147, 156, 168, 182, 196, 208, 273, 294, 312, 336, 364, 392, 546, 588, 624, 637, 677, 728, 784, 1092, 1176, 1274, 1354, 1456, 1911, 2031, 2184, 2352, 2548, 2708, 3822, 4062, 4368, 4739, 5096, 5416, 7644, 8124, 8801, 9478, 10192, 10832, 14217, 15288, 16248, 17602, 18956, 26403, 28434, 30576, 32496, 33173, 35204, 37912, 52806, 56868, 61607, 66346, 70408, 75824, 99519, 105612, 113736, 123214, 132692, 140816, 184821, 199038, 211224, 227472, 246428, 265384, 369642, 398076, 422448, 431249, 492856, 530768, 739284, 796152, 862498, 985712, 1293747, 1478568, 1592304, 1724996, 2587494, 2957136, 3449992, 5174988, 6899984, 10349976, 20699952]

約数ペア:

[(1, 20699952), (2, 10349976), (3, 6899984), (4, 5174988), (6, 3449992), (7, 2957136), (8, 2587494), (12, 1724996), (13, 1592304), (14, 1478568), (16, 1293747), (21, 985712), (24, 862498), (26, 796152), (28, 739284), (39, 530768), (42, 492856), (48, 431249), (49, 422448), (52, 398076), (56, 369642), (78, 265384), (84, 246428), (91, 227472), (98, 211224), (104, 199038), (112, 184821), (147, 140816), (156, 132692), (168, 123214), (182, 113736), (196, 105612), (208, 99519), (273, 75824), (294, 70408), (312, 66346), (336, 61607), (364, 56868), (392, 52806), (546, 37912), (588, 35204), (624, 33173), (637, 32496), (677, 30576), (728, 28434), (784, 26403), (1092, 18956), (1176, 17602), (1274, 16248), (1354, 15288), (1456, 14217), (1911, 10832), (2031, 10192), (2184, 9478), (2352, 8801), (2548, 8124), (2708, 7644), (3822, 5416), (4062, 5096), (4368, 4739)]