20848608

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6581}}^1$

素因数の和:6608

約数の個数: 72

約数和(自身を含む): 64687896

約数和(自身を除く): 43839288

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6581, 13162, 19743, 26324, 39486, 52648, 59229, 72391, 78972, 105296, 118458, 144782, 157944, 210592, 217173, 236916, 289564, 315888, 434346, 473832, 579128, 631776, 651519, 868692, 947664, 1158256, 1303038, 1737384, 1895328, 2316512, 2606076, 3474768, 5212152, 6949536, 10424304, 20848608]

約数ペア:

[(1, 20848608), (2, 10424304), (3, 6949536), (4, 5212152), (6, 3474768), (8, 2606076), (9, 2316512), (11, 1895328), (12, 1737384), (16, 1303038), (18, 1158256), (22, 947664), (24, 868692), (32, 651519), (33, 631776), (36, 579128), (44, 473832), (48, 434346), (66, 315888), (72, 289564), (88, 236916), (96, 217173), (99, 210592), (132, 157944), (144, 144782), (176, 118458), (198, 105296), (264, 78972), (288, 72391), (352, 59229), (396, 52648), (528, 39486), (792, 26324), (1056, 19743), (1584, 13162), (3168, 6581)]