20176917774

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{537793}}^1$

素因数の和:537861

約数の個数: 48

約数和(自身を含む): 44877833712

約数和(自身を除く): 24700915938

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 169, 222, 338, 481, 507, 962, 1014, 1443, 2886, 6253, 12506, 18759, 37518, 537793, 1075586, 1613379, 3226758, 6991309, 13982618, 19898341, 20973927, 39796682, 41947854, 59695023, 90887017, 119390046, 181774034, 258678433, 272661051, 517356866, 545322102, 776035299, 1552070598, 3362819629, 6725639258, 10088458887, 20176917774]

約数ペア:

[(1, 20176917774), (2, 10088458887), (3, 6725639258), (6, 3362819629), (13, 1552070598), (26, 776035299), (37, 545322102), (39, 517356866), (74, 272661051), (78, 258678433), (111, 181774034), (169, 119390046), (222, 90887017), (338, 59695023), (481, 41947854), (507, 39796682), (962, 20973927), (1014, 19898341), (1443, 13982618), (2886, 6991309), (6253, 3226758), (12506, 1613379), (18759, 1075586), (37518, 537793)]