20154294716

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{467}}^1\times {\mathrm{1009}}^1$

素因数の和:1551

約数の個数: 72

約数和(自身を含む): 38599994160

約数和(自身を除く): 18445699444

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 289, 467, 578, 629, 934, 1009, 1156, 1258, 1868, 2018, 2516, 4036, 7939, 10693, 15878, 17153, 17279, 21386, 31756, 34306, 34558, 37333, 42772, 68612, 69116, 74666, 134963, 149332, 269926, 291601, 293743, 471203, 539852, 583202, 587486, 634661, 942406, 1166404, 1174972, 1269322, 1884812, 2538644, 4993631, 8010451, 9987262, 10789237, 16020902, 17434511, 19974524, 21578474, 32041804, 34869022, 43156948, 69738044, 136177667, 272355334, 296386687, 544710668, 592773374, 1185546748, 5038573679, 10077147358, 20154294716]

約数ペア:

[(1, 20154294716), (2, 10077147358), (4, 5038573679), (17, 1185546748), (34, 592773374), (37, 544710668), (68, 296386687), (74, 272355334), (148, 136177667), (289, 69738044), (467, 43156948), (578, 34869022), (629, 32041804), (934, 21578474), (1009, 19974524), (1156, 17434511), (1258, 16020902), (1868, 10789237), (2018, 9987262), (2516, 8010451), (4036, 4993631), (7939, 2538644), (10693, 1884812), (15878, 1269322), (17153, 1174972), (17279, 1166404), (21386, 942406), (31756, 634661), (34306, 587486), (34558, 583202), (37333, 539852), (42772, 471203), (68612, 293743), (69116, 291601), (74666, 269926), (134963, 149332)]