20023036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 21224324

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 172, 209, 418, 473, 557, 817, 836, 946, 1114, 1634, 1892, 2228, 3268, 6127, 8987, 10583, 12254, 17974, 21166, 23951, 24508, 35948, 42332, 47902, 95804, 116413, 232826, 263461, 455069, 465652, 526922, 910138, 1053844, 1820276, 5005759, 10011518, 20023036]

約数ペア:

[(1, 20023036), (2, 10011518), (4, 5005759), (11, 1820276), (19, 1053844), (22, 910138), (38, 526922), (43, 465652), (44, 455069), (76, 263461), (86, 232826), (172, 116413), (209, 95804), (418, 47902), (473, 42332), (557, 35948), (817, 24508), (836, 23951), (946, 21166), (1114, 17974), (1634, 12254), (1892, 10583), (2228, 8987), (3268, 6127)]