20011368

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2069}}^1$

素因数の和:2122

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 35630232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 2069, 2418, 3224, 4138, 4836, 6207, 8276, 9672, 12414, 16552, 24828, 26897, 49656, 53794, 64139, 80691, 107588, 128278, 161382, 192417, 215176, 256556, 322764, 384834, 513112, 645528, 769668, 833807, 1539336, 1667614, 2501421, 3335228, 5002842, 6670456, 10005684, 20011368]

約数ペア:

[(1, 20011368), (2, 10005684), (3, 6670456), (4, 5002842), (6, 3335228), (8, 2501421), (12, 1667614), (13, 1539336), (24, 833807), (26, 769668), (31, 645528), (39, 513112), (52, 384834), (62, 322764), (78, 256556), (93, 215176), (104, 192417), (124, 161382), (156, 128278), (186, 107588), (248, 80691), (312, 64139), (372, 53794), (403, 49656), (744, 26897), (806, 24828), (1209, 16552), (1612, 12414), (2069, 9672), (2418, 8276), (3224, 6207), (4138, 4836)]