20958532

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 44271360

約数和(自身を除く): 23312828

約数列:

[1, 2, 4, 7, 14, 28, 29, 53, 58, 106, 116, 203, 212, 371, 406, 487, 742, 812, 974, 1484, 1537, 1948, 3074, 3409, 6148, 6818, 10759, 13636, 14123, 21518, 25811, 28246, 43036, 51622, 56492, 98861, 103244, 180677, 197722, 361354, 395444, 722708, 748519, 1497038, 2994076, 5239633, 10479266, 20958532]

約数ペア:

[(1, 20958532), (2, 10479266), (4, 5239633), (7, 2994076), (14, 1497038), (28, 748519), (29, 722708), (53, 395444), (58, 361354), (106, 197722), (116, 180677), (203, 103244), (212, 98861), (371, 56492), (406, 51622), (487, 43036), (742, 28246), (812, 25811), (974, 21518), (1484, 14123), (1537, 13636), (1948, 10759), (3074, 6818), (3409, 6148)]