20355168

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{4931}}^1$

素因数の和:4987

約数の個数: 48

約数和(自身を含む): 54686016

約数和(自身を除く): 34330848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 172, 258, 344, 516, 688, 1032, 1376, 2064, 4128, 4931, 9862, 14793, 19724, 29586, 39448, 59172, 78896, 118344, 157792, 212033, 236688, 424066, 473376, 636099, 848132, 1272198, 1696264, 2544396, 3392528, 5088792, 6785056, 10177584, 20355168]

約数ペア:

[(1, 20355168), (2, 10177584), (3, 6785056), (4, 5088792), (6, 3392528), (8, 2544396), (12, 1696264), (16, 1272198), (24, 848132), (32, 636099), (43, 473376), (48, 424066), (86, 236688), (96, 212033), (129, 157792), (172, 118344), (258, 78896), (344, 59172), (516, 39448), (688, 29586), (1032, 19724), (1376, 14793), (2064, 9862), (4128, 4931)]