20572488

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 61689600

約数和(自身を除く): 41117112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 41, 46, 54, 69, 72, 82, 92, 101, 108, 123, 138, 164, 184, 202, 207, 216, 246, 276, 303, 328, 369, 404, 414, 492, 552, 606, 621, 738, 808, 828, 909, 943, 984, 1107, 1212, 1242, 1476, 1656, 1818, 1886, 2214, 2323, 2424, 2484, 2727, 2829, 2952, 3636, 3772, 4141, 4428, 4646, 4968, 5454, 5658, 6969, 7272, 7544, 8282, 8487, 8856, 9292, 10908, 11316, 12423, 13938, 16564, 16974, 18584, 20907, 21816, 22632, 24846, 25461, 27876, 33128, 33948, 37269, 41814, 49692, 50922, 55752, 62721, 67896, 74538, 83628, 95243, 99384, 101844, 111807, 125442, 149076, 167256, 190486, 203688, 223614, 250884, 285729, 298152, 380972, 447228, 501768, 571458, 761944, 857187, 894456, 1142916, 1714374, 2285832, 2571561, 3428748, 5143122, 6857496, 10286244, 20572488]

約数ペア:

[(1, 20572488), (2, 10286244), (3, 6857496), (4, 5143122), (6, 3428748), (8, 2571561), (9, 2285832), (12, 1714374), (18, 1142916), (23, 894456), (24, 857187), (27, 761944), (36, 571458), (41, 501768), (46, 447228), (54, 380972), (69, 298152), (72, 285729), (82, 250884), (92, 223614), (101, 203688), (108, 190486), (123, 167256), (138, 149076), (164, 125442), (184, 111807), (202, 101844), (207, 99384), (216, 95243), (246, 83628), (276, 74538), (303, 67896), (328, 62721), (369, 55752), (404, 50922), (414, 49692), (492, 41814), (552, 37269), (606, 33948), (621, 33128), (738, 27876), (808, 25461), (828, 24846), (909, 22632), (943, 21816), (984, 20907), (1107, 18584), (1212, 16974), (1242, 16564), (1476, 13938), (1656, 12423), (1818, 11316), (1886, 10908), (2214, 9292), (2323, 8856), (2424, 8487), (2484, 8282), (2727, 7544), (2829, 7272), (2952, 6969), (3636, 5658), (3772, 5454), (4141, 4968), (4428, 4646)]