20138180876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1\times {\mathrm{8353}}^1$

素因数の和:8874

約数の個数: 48

約数和(自身を含む): 38806000800

約数和(自身を除く): 18667819924

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 349, 628, 698, 1396, 1727, 3454, 3839, 6908, 7678, 8353, 15356, 16706, 33412, 54793, 91883, 109586, 183766, 219172, 367532, 602723, 1205446, 1311421, 2410892, 2622842, 2915197, 5245684, 5830394, 11660788, 14425631, 28851262, 32067167, 57702524, 64134334, 128268668, 457685929, 915371858, 1830743716, 5034545219, 10069090438, 20138180876]

約数ペア:

[(1, 20138180876), (2, 10069090438), (4, 5034545219), (11, 1830743716), (22, 915371858), (44, 457685929), (157, 128268668), (314, 64134334), (349, 57702524), (628, 32067167), (698, 28851262), (1396, 14425631), (1727, 11660788), (3454, 5830394), (3839, 5245684), (6908, 2915197), (7678, 2622842), (8353, 2410892), (15356, 1311421), (16706, 1205446), (33412, 602723), (54793, 367532), (91883, 219172), (109586, 183766)]