20885592

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 65640960

約数和(自身を除く): 44755368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 73, 78, 84, 91, 104, 131, 146, 156, 168, 182, 219, 262, 273, 292, 312, 364, 393, 438, 511, 524, 546, 584, 728, 786, 876, 917, 949, 1022, 1048, 1092, 1533, 1572, 1703, 1752, 1834, 1898, 2044, 2184, 2751, 2847, 3066, 3144, 3406, 3668, 3796, 4088, 5109, 5502, 5694, 6132, 6643, 6812, 7336, 7592, 9563, 10218, 11004, 11388, 11921, 12264, 13286, 13624, 19126, 19929, 20436, 22008, 22776, 23842, 26572, 28689, 35763, 38252, 39858, 40872, 47684, 53144, 57378, 66941, 71526, 76504, 79716, 95368, 114756, 124319, 133882, 143052, 159432, 200823, 229512, 248638, 267764, 286104, 372957, 401646, 497276, 535528, 745914, 803292, 870233, 994552, 1491828, 1606584, 1740466, 2610699, 2983656, 3480932, 5221398, 6961864, 10442796, 20885592]

約数ペア:

[(1, 20885592), (2, 10442796), (3, 6961864), (4, 5221398), (6, 3480932), (7, 2983656), (8, 2610699), (12, 1740466), (13, 1606584), (14, 1491828), (21, 994552), (24, 870233), (26, 803292), (28, 745914), (39, 535528), (42, 497276), (52, 401646), (56, 372957), (73, 286104), (78, 267764), (84, 248638), (91, 229512), (104, 200823), (131, 159432), (146, 143052), (156, 133882), (168, 124319), (182, 114756), (219, 95368), (262, 79716), (273, 76504), (292, 71526), (312, 66941), (364, 57378), (393, 53144), (438, 47684), (511, 40872), (524, 39858), (546, 38252), (584, 35763), (728, 28689), (786, 26572), (876, 23842), (917, 22776), (949, 22008), (1022, 20436), (1048, 19929), (1092, 19126), (1533, 13624), (1572, 13286), (1703, 12264), (1752, 11921), (1834, 11388), (1898, 11004), (2044, 10218), (2184, 9563), (2751, 7592), (2847, 7336), (3066, 6812), (3144, 6643), (3406, 6132), (3668, 5694), (3796, 5502), (4088, 5109)]