20058780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 64802304

約数和(自身を除く): 44743524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 163, 210, 293, 326, 420, 489, 586, 652, 815, 879, 978, 1141, 1172, 1465, 1630, 1758, 1956, 2051, 2282, 2445, 2930, 3260, 3423, 3516, 4102, 4395, 4564, 4890, 5705, 5860, 6153, 6846, 8204, 8790, 9780, 10255, 11410, 12306, 13692, 17115, 17580, 20510, 22820, 24612, 30765, 34230, 41020, 47759, 61530, 68460, 95518, 123060, 143277, 191036, 238795, 286554, 334313, 477590, 573108, 668626, 716385, 955180, 1002939, 1337252, 1432770, 1671565, 2005878, 2865540, 3343130, 4011756, 5014695, 6686260, 10029390, 20058780]

約数ペア:

[(1, 20058780), (2, 10029390), (3, 6686260), (4, 5014695), (5, 4011756), (6, 3343130), (7, 2865540), (10, 2005878), (12, 1671565), (14, 1432770), (15, 1337252), (20, 1002939), (21, 955180), (28, 716385), (30, 668626), (35, 573108), (42, 477590), (60, 334313), (70, 286554), (84, 238795), (105, 191036), (140, 143277), (163, 123060), (210, 95518), (293, 68460), (326, 61530), (420, 47759), (489, 41020), (586, 34230), (652, 30765), (815, 24612), (879, 22820), (978, 20510), (1141, 17580), (1172, 17115), (1465, 13692), (1630, 12306), (1758, 11410), (1956, 10255), (2051, 9780), (2282, 8790), (2445, 8204), (2930, 6846), (3260, 6153), (3423, 5860), (3516, 5705), (4102, 4890), (4395, 4564)]