20372274

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 72

約数和(自身を含む): 49359492

約数和(自身を除く): 28987218

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 169, 181, 222, 234, 333, 338, 362, 481, 507, 543, 666, 962, 1014, 1086, 1443, 1521, 1629, 2353, 2886, 3042, 3258, 4329, 4706, 6253, 6697, 7059, 8658, 12506, 13394, 14118, 18759, 20091, 21177, 30589, 37518, 40182, 42354, 56277, 60273, 61178, 87061, 91767, 112554, 120546, 174122, 183534, 261183, 275301, 522366, 550602, 783549, 1131793, 1567098, 2263586, 3395379, 6790758, 10186137, 20372274]

約数ペア:

[(1, 20372274), (2, 10186137), (3, 6790758), (6, 3395379), (9, 2263586), (13, 1567098), (18, 1131793), (26, 783549), (37, 550602), (39, 522366), (74, 275301), (78, 261183), (111, 183534), (117, 174122), (169, 120546), (181, 112554), (222, 91767), (234, 87061), (333, 61178), (338, 60273), (362, 56277), (481, 42354), (507, 40182), (543, 37518), (666, 30589), (962, 21177), (1014, 20091), (1086, 18759), (1443, 14118), (1521, 13394), (1629, 12506), (2353, 8658), (2886, 7059), (3042, 6697), (3258, 6253), (4329, 4706)]