20198732

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 38949120

約数和(自身を除く): 18750388

約数列:

[1, 2, 4, 29, 31, 41, 58, 62, 82, 116, 124, 137, 164, 274, 548, 899, 1189, 1271, 1798, 2378, 2542, 3596, 3973, 4247, 4756, 5084, 5617, 7946, 8494, 11234, 15892, 16988, 22468, 36859, 73718, 123163, 147436, 162893, 174127, 246326, 325786, 348254, 492652, 651572, 696508, 5049683, 10099366, 20198732]

約数ペア:

[(1, 20198732), (2, 10099366), (4, 5049683), (29, 696508), (31, 651572), (41, 492652), (58, 348254), (62, 325786), (82, 246326), (116, 174127), (124, 162893), (137, 147436), (164, 123163), (274, 73718), (548, 36859), (899, 22468), (1189, 16988), (1271, 15892), (1798, 11234), (2378, 8494), (2542, 7946), (3596, 5617), (3973, 5084), (4247, 4756)]