20156167955

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{18493}}^1$

素因数の和:18684

約数の個数: 64

約数和(自身を含む): 31957632000

約数和(自身を除く): 11801464045

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 149, 209, 385, 665, 745, 1043, 1045, 1463, 1639, 2831, 5215, 7315, 8195, 11473, 14155, 18493, 19817, 31141, 57365, 92465, 99085, 129451, 155705, 203423, 217987, 351367, 647255, 1017115, 1089935, 1423961, 1756835, 2459569, 2755457, 3865037, 7119805, 12297845, 13777285, 19288199, 19325185, 27055259, 30310027, 52353683, 96440995, 135276295, 151550135, 212170189, 261768415, 366475781, 575890513, 1060850945, 1832378905, 2879452565, 4031233591, 20156167955]

約数ペア:

[(1, 20156167955), (5, 4031233591), (7, 2879452565), (11, 1832378905), (19, 1060850945), (35, 575890513), (55, 366475781), (77, 261768415), (95, 212170189), (133, 151550135), (149, 135276295), (209, 96440995), (385, 52353683), (665, 30310027), (745, 27055259), (1043, 19325185), (1045, 19288199), (1463, 13777285), (1639, 12297845), (2831, 7119805), (5215, 3865037), (7315, 2755457), (8195, 2459569), (11473, 1756835), (14155, 1423961), (18493, 1089935), (19817, 1017115), (31141, 647255), (57365, 351367), (92465, 217987), (99085, 203423), (129451, 155705)]