20212687084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{182537}}^1$

素因数の和:182638

約数の個数: 48

約数和(自身を含む): 39252971520

約数和(自身を除く): 19040284436

約数列:

[1, 2, 4, 19, 31, 38, 47, 62, 76, 94, 124, 188, 589, 893, 1178, 1457, 1786, 2356, 2914, 3572, 5828, 27683, 55366, 110732, 182537, 365074, 730148, 3468203, 5658647, 6936406, 8579239, 11317294, 13872812, 17158478, 22634588, 34316956, 107514293, 163005541, 215028586, 265956409, 326011082, 430057172, 531912818, 652022164, 1063825636, 5053171771, 10106343542, 20212687084]

約数ペア:

[(1, 20212687084), (2, 10106343542), (4, 5053171771), (19, 1063825636), (31, 652022164), (38, 531912818), (47, 430057172), (62, 326011082), (76, 265956409), (94, 215028586), (124, 163005541), (188, 107514293), (589, 34316956), (893, 22634588), (1178, 17158478), (1457, 13872812), (1786, 11317294), (2356, 8579239), (2914, 6936406), (3572, 5658647), (5828, 3468203), (27683, 730148), (55366, 365074), (110732, 182537)]