20783318406

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1\times {\mathrm{2341}}^1$

素因数の和:3245

約数の個数: 64

約数和(自身を含む): 43707340800

約数和(自身を除く): 22924022394

約数列:

[1, 2, 3, 6, 31, 59, 62, 93, 118, 177, 186, 354, 809, 1618, 1829, 2341, 2427, 3658, 4682, 4854, 5487, 7023, 10974, 14046, 25079, 47731, 50158, 72571, 75237, 95462, 138119, 143193, 145142, 150474, 217713, 276238, 286386, 414357, 435426, 828714, 1479661, 1893869, 2959322, 3787738, 4281689, 4438983, 5681607, 8563378, 8877966, 11363214, 12845067, 25690134, 58709939, 111738271, 117419878, 176129817, 223476542, 335214813, 352259634, 670429626, 3463886401, 6927772802, 10391659203, 20783318406]

約数ペア:

[(1, 20783318406), (2, 10391659203), (3, 6927772802), (6, 3463886401), (31, 670429626), (59, 352259634), (62, 335214813), (93, 223476542), (118, 176129817), (177, 117419878), (186, 111738271), (354, 58709939), (809, 25690134), (1618, 12845067), (1829, 11363214), (2341, 8877966), (2427, 8563378), (3658, 5681607), (4682, 4438983), (4854, 4281689), (5487, 3787738), (7023, 2959322), (10974, 1893869), (14046, 1479661), (25079, 828714), (47731, 435426), (50158, 414357), (72571, 286386), (75237, 276238), (95462, 217713), (138119, 150474), (143193, 145142)]