20378736

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:340

約数の個数: 160

約数和(自身を含む): 69995520

約数和(自身を除く): 49616784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 36, 42, 46, 48, 54, 56, 63, 69, 72, 84, 92, 108, 112, 126, 138, 144, 161, 168, 184, 189, 207, 216, 252, 276, 293, 322, 336, 368, 378, 414, 432, 483, 504, 552, 586, 621, 644, 756, 828, 879, 966, 1008, 1104, 1172, 1242, 1288, 1449, 1512, 1656, 1758, 1932, 2051, 2344, 2484, 2576, 2637, 2898, 3024, 3312, 3516, 3864, 4102, 4347, 4688, 4968, 5274, 5796, 6153, 6739, 7032, 7728, 7911, 8204, 8694, 9936, 10548, 11592, 12306, 13478, 14064, 15822, 16408, 17388, 18459, 20217, 21096, 23184, 24612, 26956, 31644, 32816, 34776, 36918, 40434, 42192, 47173, 49224, 53912, 55377, 60651, 63288, 69552, 73836, 80868, 94346, 98448, 107824, 110754, 121302, 126576, 141519, 147672, 161736, 181953, 188692, 221508, 242604, 283038, 295344, 323472, 363906, 377384, 424557, 443016, 485208, 566076, 727812, 754768, 849114, 886032, 970416, 1132152, 1273671, 1455624, 1698228, 2264304, 2547342, 2911248, 3396456, 5094684, 6792912, 10189368, 20378736]

約数ペア:

[(1, 20378736), (2, 10189368), (3, 6792912), (4, 5094684), (6, 3396456), (7, 2911248), (8, 2547342), (9, 2264304), (12, 1698228), (14, 1455624), (16, 1273671), (18, 1132152), (21, 970416), (23, 886032), (24, 849114), (27, 754768), (28, 727812), (36, 566076), (42, 485208), (46, 443016), (48, 424557), (54, 377384), (56, 363906), (63, 323472), (69, 295344), (72, 283038), (84, 242604), (92, 221508), (108, 188692), (112, 181953), (126, 161736), (138, 147672), (144, 141519), (161, 126576), (168, 121302), (184, 110754), (189, 107824), (207, 98448), (216, 94346), (252, 80868), (276, 73836), (293, 69552), (322, 63288), (336, 60651), (368, 55377), (378, 53912), (414, 49224), (432, 47173), (483, 42192), (504, 40434), (552, 36918), (586, 34776), (621, 32816), (644, 31644), (756, 26956), (828, 24612), (879, 23184), (966, 21096), (1008, 20217), (1104, 18459), (1172, 17388), (1242, 16408), (1288, 15822), (1449, 14064), (1512, 13478), (1656, 12306), (1758, 11592), (1932, 10548), (2051, 9936), (2344, 8694), (2484, 8204), (2576, 7911), (2637, 7728), (2898, 7032), (3024, 6739), (3312, 6153), (3516, 5796), (3864, 5274), (4102, 4968), (4347, 4688)]