20458284

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3163}}^1$

素因数の和:3195

約数の個数: 72

約数和(自身を含む): 60596928

約数和(自身を除く): 40138644

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3163, 3234, 6326, 6468, 9489, 12652, 18978, 22141, 34793, 37956, 44282, 66423, 69586, 88564, 104379, 132846, 139172, 154987, 208758, 243551, 265692, 309974, 417516, 464961, 487102, 619948, 730653, 929922, 974204, 1461306, 1704857, 1859844, 2922612, 3409714, 5114571, 6819428, 10229142, 20458284]

約数ペア:

[(1, 20458284), (2, 10229142), (3, 6819428), (4, 5114571), (6, 3409714), (7, 2922612), (11, 1859844), (12, 1704857), (14, 1461306), (21, 974204), (22, 929922), (28, 730653), (33, 619948), (42, 487102), (44, 464961), (49, 417516), (66, 309974), (77, 265692), (84, 243551), (98, 208758), (132, 154987), (147, 139172), (154, 132846), (196, 104379), (231, 88564), (294, 69586), (308, 66423), (462, 44282), (539, 37956), (588, 34793), (924, 22141), (1078, 18978), (1617, 12652), (2156, 9489), (3163, 6468), (3234, 6326)]