20131489136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{455711}}^1$

素因数の和:455981

約数の個数: 40

約数和(自身を含む): 42720265728

約数和(自身を除く): 22588776592

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 251, 502, 1004, 2008, 2761, 4016, 5522, 11044, 22088, 44176, 455711, 911422, 1822844, 3645688, 5012821, 7291376, 10025642, 20051284, 40102568, 80205136, 114383461, 228766922, 457533844, 915067688, 1258218071, 1830135376, 2516436142, 5032872284, 10065744568, 20131489136]

約数ペア:

[(1, 20131489136), (2, 10065744568), (4, 5032872284), (8, 2516436142), (11, 1830135376), (16, 1258218071), (22, 915067688), (44, 457533844), (88, 228766922), (176, 114383461), (251, 80205136), (502, 40102568), (1004, 20051284), (2008, 10025642), (2761, 7291376), (4016, 5012821), (5522, 3645688), (11044, 1822844), (22088, 911422), (44176, 455711)]