20153796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 54528768

約数和(自身を除く): 34374972

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 41, 46, 52, 69, 78, 82, 92, 123, 137, 138, 156, 164, 246, 274, 276, 299, 411, 492, 533, 548, 598, 822, 897, 943, 1066, 1196, 1599, 1644, 1781, 1794, 1886, 2132, 2829, 3151, 3198, 3562, 3588, 3772, 5343, 5617, 5658, 6302, 6396, 7124, 9453, 10686, 11234, 11316, 12259, 12604, 16851, 18906, 21372, 22468, 24518, 33702, 36777, 37812, 40963, 49036, 67404, 73021, 73554, 81926, 122889, 129191, 146042, 147108, 163852, 219063, 245778, 258382, 292084, 387573, 438126, 491556, 516764, 775146, 876252, 1550292, 1679483, 3358966, 5038449, 6717932, 10076898, 20153796]

約数ペア:

[(1, 20153796), (2, 10076898), (3, 6717932), (4, 5038449), (6, 3358966), (12, 1679483), (13, 1550292), (23, 876252), (26, 775146), (39, 516764), (41, 491556), (46, 438126), (52, 387573), (69, 292084), (78, 258382), (82, 245778), (92, 219063), (123, 163852), (137, 147108), (138, 146042), (156, 129191), (164, 122889), (246, 81926), (274, 73554), (276, 73021), (299, 67404), (411, 49036), (492, 40963), (533, 37812), (548, 36777), (598, 33702), (822, 24518), (897, 22468), (943, 21372), (1066, 18906), (1196, 16851), (1599, 12604), (1644, 12259), (1781, 11316), (1794, 11234), (1886, 10686), (2132, 9453), (2829, 7124), (3151, 6396), (3198, 6302), (3562, 5658), (3588, 5617), (3772, 5343)]