20002502

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 35417088

約数和(自身を除く): 15414586

約数列:

[1, 2, 13, 23, 26, 31, 46, 62, 83, 166, 169, 299, 338, 403, 598, 713, 806, 1079, 1426, 1909, 2158, 2573, 3818, 3887, 5146, 5239, 7774, 9269, 10478, 14027, 18538, 24817, 28054, 33449, 49634, 59179, 66898, 118358, 120497, 240994, 322621, 434837, 645242, 769327, 869674, 1538654, 10001251, 20002502]

約数ペア:

[(1, 20002502), (2, 10001251), (13, 1538654), (23, 869674), (26, 769327), (31, 645242), (46, 434837), (62, 322621), (83, 240994), (166, 120497), (169, 118358), (299, 66898), (338, 59179), (403, 49634), (598, 33449), (713, 28054), (806, 24817), (1079, 18538), (1426, 14027), (1909, 10478), (2158, 9269), (2573, 7774), (3818, 5239), (3887, 5146)]