23201420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{647}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 53561088

約数和(自身を除く): 30359668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 647, 652, 815, 1294, 1630, 1793, 2588, 3235, 3260, 3586, 6470, 7117, 7172, 8965, 12940, 14234, 17930, 28468, 35585, 35860, 71170, 105461, 142340, 210922, 421844, 527305, 1054610, 1160071, 2109220, 2320142, 4640284, 5800355, 11600710, 23201420]

約数ペア:

[(1, 23201420), (2, 11600710), (4, 5800355), (5, 4640284), (10, 2320142), (11, 2109220), (20, 1160071), (22, 1054610), (44, 527305), (55, 421844), (110, 210922), (163, 142340), (220, 105461), (326, 71170), (647, 35860), (652, 35585), (815, 28468), (1294, 17930), (1630, 14234), (1793, 12940), (2588, 8965), (3235, 7172), (3260, 7117), (3586, 6470)]