20123222072

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 38494310400

約数和(自身を除く): 18371088328

約数列:

[1, 2, 4, 8, 107, 214, 223, 271, 389, 428, 446, 542, 778, 856, 892, 1084, 1556, 1784, 2168, 3112, 23861, 28997, 41623, 47722, 57994, 60433, 83246, 86747, 95444, 105419, 115988, 120866, 166492, 173494, 190888, 210838, 231976, 241732, 332984, 346988, 421676, 483464, 693976, 843352, 6466331, 9281929, 11279833, 12932662, 18563858, 22559666, 23508437, 25865324, 37127716, 45119332, 47016874, 51730648, 74255432, 90238664, 94033748, 188067496, 2515402759, 5030805518, 10061611036, 20123222072]

約数ペア:

[(1, 20123222072), (2, 10061611036), (4, 5030805518), (8, 2515402759), (107, 188067496), (214, 94033748), (223, 90238664), (271, 74255432), (389, 51730648), (428, 47016874), (446, 45119332), (542, 37127716), (778, 25865324), (856, 23508437), (892, 22559666), (1084, 18563858), (1556, 12932662), (1784, 11279833), (2168, 9281929), (3112, 6466331), (23861, 843352), (28997, 693976), (41623, 483464), (47722, 421676), (57994, 346988), (60433, 332984), (83246, 241732), (86747, 231976), (95444, 210838), (105419, 190888), (115988, 173494), (120866, 166492)]