220051436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{70439}}^1$

素因数の和:70525

約数の個数: 24

約数和(自身を含む): 426021120

約数和(自身を除く): 205969684

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 70439, 140878, 281756, 774829, 1549658, 3099316, 5001169, 10002338, 20004676, 55012859, 110025718, 220051436]

約数ペア:

[(1, 220051436), (2, 110025718), (4, 55012859), (11, 20004676), (22, 10002338), (44, 5001169), (71, 3099316), (142, 1549658), (284, 774829), (781, 281756), (1562, 140878), (3124, 70439)]