20313392

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{547}}^1$

素因数の和:777

約数の個数: 40

約数和(自身を含む): 43217472

約数和(自身を除く): 22904080

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 211, 422, 547, 844, 1094, 1688, 2188, 2321, 3376, 4376, 4642, 6017, 8752, 9284, 12034, 18568, 24068, 37136, 48136, 96272, 115417, 230834, 461668, 923336, 1269587, 1846672, 2539174, 5078348, 10156696, 20313392]

約数ペア:

[(1, 20313392), (2, 10156696), (4, 5078348), (8, 2539174), (11, 1846672), (16, 1269587), (22, 923336), (44, 461668), (88, 230834), (176, 115417), (211, 96272), (422, 48136), (547, 37136), (844, 24068), (1094, 18568), (1688, 12034), (2188, 9284), (2321, 8752), (3376, 6017), (4376, 4642)]