20157228

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:333

約数の個数: 144

約数和(自身を含む): 65691360

約数和(自身を除く): 45534132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 84, 91, 98, 108, 117, 126, 147, 156, 182, 189, 196, 234, 252, 273, 293, 294, 351, 364, 378, 441, 468, 546, 586, 588, 637, 702, 756, 819, 879, 882, 1092, 1172, 1274, 1323, 1404, 1638, 1758, 1764, 1911, 2051, 2457, 2548, 2637, 2646, 3276, 3516, 3809, 3822, 4102, 4914, 5274, 5292, 5733, 6153, 7618, 7644, 7911, 8204, 9828, 10548, 11427, 11466, 12306, 14357, 15236, 15822, 17199, 18459, 22854, 22932, 24612, 26663, 28714, 31644, 34281, 34398, 36918, 43071, 45708, 53326, 55377, 57428, 68562, 68796, 73836, 79989, 86142, 102843, 106652, 110754, 129213, 137124, 159978, 172284, 186641, 205686, 221508, 239967, 258426, 319956, 373282, 387639, 411372, 479934, 516852, 559923, 719901, 746564, 775278, 959868, 1119846, 1439802, 1550556, 1679769, 2239692, 2879604, 3359538, 5039307, 6719076, 10078614, 20157228]

約数ペア:

[(1, 20157228), (2, 10078614), (3, 6719076), (4, 5039307), (6, 3359538), (7, 2879604), (9, 2239692), (12, 1679769), (13, 1550556), (14, 1439802), (18, 1119846), (21, 959868), (26, 775278), (27, 746564), (28, 719901), (36, 559923), (39, 516852), (42, 479934), (49, 411372), (52, 387639), (54, 373282), (63, 319956), (78, 258426), (84, 239967), (91, 221508), (98, 205686), (108, 186641), (117, 172284), (126, 159978), (147, 137124), (156, 129213), (182, 110754), (189, 106652), (196, 102843), (234, 86142), (252, 79989), (273, 73836), (293, 68796), (294, 68562), (351, 57428), (364, 55377), (378, 53326), (441, 45708), (468, 43071), (546, 36918), (586, 34398), (588, 34281), (637, 31644), (702, 28714), (756, 26663), (819, 24612), (879, 22932), (882, 22854), (1092, 18459), (1172, 17199), (1274, 15822), (1323, 15236), (1404, 14357), (1638, 12306), (1758, 11466), (1764, 11427), (1911, 10548), (2051, 9828), (2457, 8204), (2548, 7911), (2637, 7644), (2646, 7618), (3276, 6153), (3516, 5733), (3809, 5292), (3822, 5274), (4102, 4914)]