20635212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 56899584

約数和(自身を除く): 36264372

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 31, 34, 39, 51, 52, 62, 68, 78, 93, 102, 124, 156, 186, 204, 221, 251, 372, 403, 442, 502, 527, 663, 753, 806, 884, 1004, 1054, 1209, 1326, 1506, 1581, 1612, 2108, 2418, 2652, 3012, 3162, 3263, 4267, 4836, 6324, 6526, 6851, 7781, 8534, 9789, 12801, 13052, 13702, 15562, 17068, 19578, 20553, 23343, 25602, 27404, 31124, 39156, 41106, 46686, 51204, 55471, 82212, 93372, 101153, 110942, 132277, 166413, 202306, 221884, 264554, 303459, 332826, 396831, 404612, 529108, 606918, 665652, 793662, 1213836, 1587324, 1719601, 3439202, 5158803, 6878404, 10317606, 20635212]

約数ペア:

[(1, 20635212), (2, 10317606), (3, 6878404), (4, 5158803), (6, 3439202), (12, 1719601), (13, 1587324), (17, 1213836), (26, 793662), (31, 665652), (34, 606918), (39, 529108), (51, 404612), (52, 396831), (62, 332826), (68, 303459), (78, 264554), (93, 221884), (102, 202306), (124, 166413), (156, 132277), (186, 110942), (204, 101153), (221, 93372), (251, 82212), (372, 55471), (403, 51204), (442, 46686), (502, 41106), (527, 39156), (663, 31124), (753, 27404), (806, 25602), (884, 23343), (1004, 20553), (1054, 19578), (1209, 17068), (1326, 15562), (1506, 13702), (1581, 13052), (1612, 12801), (2108, 9789), (2418, 8534), (2652, 7781), (3012, 6851), (3162, 6526), (3263, 6324), (4267, 4836)]