20253168

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:407

約数の個数: 120

約数和(自身を含む): 63190400

約数和(自身を除く): 42937232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 93, 104, 117, 124, 144, 156, 186, 208, 234, 248, 279, 312, 349, 372, 403, 468, 496, 558, 624, 698, 744, 806, 936, 1047, 1116, 1209, 1396, 1488, 1612, 1872, 2094, 2232, 2418, 2792, 3141, 3224, 3627, 4188, 4464, 4537, 4836, 5584, 6282, 6448, 7254, 8376, 9074, 9672, 10819, 12564, 13611, 14508, 16752, 18148, 19344, 21638, 25128, 27222, 29016, 32457, 36296, 40833, 43276, 50256, 54444, 58032, 64914, 72592, 81666, 86552, 97371, 108888, 129828, 140647, 163332, 173104, 194742, 217776, 259656, 281294, 326664, 389484, 421941, 519312, 562588, 653328, 778968, 843882, 1125176, 1265823, 1557936, 1687764, 2250352, 2531646, 3375528, 5063292, 6751056, 10126584, 20253168]

約数ペア:

[(1, 20253168), (2, 10126584), (3, 6751056), (4, 5063292), (6, 3375528), (8, 2531646), (9, 2250352), (12, 1687764), (13, 1557936), (16, 1265823), (18, 1125176), (24, 843882), (26, 778968), (31, 653328), (36, 562588), (39, 519312), (48, 421941), (52, 389484), (62, 326664), (72, 281294), (78, 259656), (93, 217776), (104, 194742), (117, 173104), (124, 163332), (144, 140647), (156, 129828), (186, 108888), (208, 97371), (234, 86552), (248, 81666), (279, 72592), (312, 64914), (349, 58032), (372, 54444), (403, 50256), (468, 43276), (496, 40833), (558, 36296), (624, 32457), (698, 29016), (744, 27222), (806, 25128), (936, 21638), (1047, 19344), (1116, 18148), (1209, 16752), (1396, 14508), (1488, 13611), (1612, 12564), (1872, 10819), (2094, 9672), (2232, 9074), (2418, 8376), (2792, 7254), (3141, 6448), (3224, 6282), (3627, 5584), (4188, 4836), (4464, 4537)]