20315646

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5107}}^1$

素因数の和:5145

約数の個数: 48

約数和(自身を含む): 50201424

約数和(自身を除く): 29885778

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5107, 10214, 15321, 30642, 45963, 66391, 86819, 91926, 132782, 173638, 199173, 260457, 398346, 520914, 597519, 781371, 1128647, 1195038, 1562742, 2257294, 3385941, 6771882, 10157823, 20315646]

約数ペア:

[(1, 20315646), (2, 10157823), (3, 6771882), (6, 3385941), (9, 2257294), (13, 1562742), (17, 1195038), (18, 1128647), (26, 781371), (34, 597519), (39, 520914), (51, 398346), (78, 260457), (102, 199173), (117, 173638), (153, 132782), (221, 91926), (234, 86819), (306, 66391), (442, 45963), (663, 30642), (1326, 15321), (1989, 10214), (3978, 5107)]