19930260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6779}}^1$

素因数の和:6805

約数の個数: 72

約数和(自身を含む): 64925280

約数和(自身を除く): 44995020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6779, 13558, 20337, 27116, 33895, 40674, 47453, 67790, 81348, 94906, 101685, 135580, 142359, 189812, 203370, 237265, 284718, 332171, 406740, 474530, 569436, 664342, 711795, 949060, 996513, 1328684, 1423590, 1660855, 1993026, 2847180, 3321710, 3986052, 4982565, 6643420, 9965130, 19930260]

約数ペア:

[(1, 19930260), (2, 9965130), (3, 6643420), (4, 4982565), (5, 3986052), (6, 3321710), (7, 2847180), (10, 1993026), (12, 1660855), (14, 1423590), (15, 1328684), (20, 996513), (21, 949060), (28, 711795), (30, 664342), (35, 569436), (42, 474530), (49, 406740), (60, 332171), (70, 284718), (84, 237265), (98, 203370), (105, 189812), (140, 142359), (147, 135580), (196, 101685), (210, 94906), (245, 81348), (294, 67790), (420, 47453), (490, 40674), (588, 33895), (735, 27116), (980, 20337), (1470, 13558), (2940, 6779)]