20413274

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 36564480

約数和(自身を除く): 16151206

約数列:

[1, 2, 7, 14, 29, 58, 137, 203, 274, 367, 406, 734, 959, 1918, 2569, 3973, 5138, 7946, 10643, 21286, 27811, 50279, 55622, 74501, 100558, 149002, 351953, 703906, 1458091, 2916182, 10206637, 20413274]

約数ペア:

[(1, 20413274), (2, 10206637), (7, 2916182), (14, 1458091), (29, 703906), (58, 351953), (137, 149002), (203, 100558), (274, 74501), (367, 55622), (406, 50279), (734, 27811), (959, 21286), (1918, 10643), (2569, 7946), (3973, 5138)]