20590696

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 47232000

約数和(自身を除く): 26641304

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 56, 58, 62, 116, 124, 203, 217, 232, 248, 406, 409, 434, 812, 818, 868, 899, 1624, 1636, 1736, 1798, 2863, 3272, 3596, 5726, 6293, 7192, 11452, 11861, 12586, 12679, 22904, 23722, 25172, 25358, 47444, 50344, 50716, 83027, 88753, 94888, 101432, 166054, 177506, 332108, 355012, 367691, 664216, 710024, 735382, 1470764, 2573837, 2941528, 5147674, 10295348, 20590696]

約数ペア:

[(1, 20590696), (2, 10295348), (4, 5147674), (7, 2941528), (8, 2573837), (14, 1470764), (28, 735382), (29, 710024), (31, 664216), (56, 367691), (58, 355012), (62, 332108), (116, 177506), (124, 166054), (203, 101432), (217, 94888), (232, 88753), (248, 83027), (406, 50716), (409, 50344), (434, 47444), (812, 25358), (818, 25172), (868, 23722), (899, 22904), (1624, 12679), (1636, 12586), (1736, 11861), (1798, 11452), (2863, 7192), (3272, 6293), (3596, 5726)]