20455032

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1237}}^1$

素因数の和:1312

約数の個数: 64

約数和(自身を含む): 56155680

約数和(自身を除く): 35700648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 156, 159, 212, 312, 318, 424, 636, 689, 1237, 1272, 1378, 2067, 2474, 2756, 3711, 4134, 4948, 5512, 7422, 8268, 9896, 14844, 16081, 16536, 29688, 32162, 48243, 64324, 65561, 96486, 128648, 131122, 192972, 196683, 262244, 385944, 393366, 524488, 786732, 852293, 1573464, 1704586, 2556879, 3409172, 5113758, 6818344, 10227516, 20455032]

約数ペア:

[(1, 20455032), (2, 10227516), (3, 6818344), (4, 5113758), (6, 3409172), (8, 2556879), (12, 1704586), (13, 1573464), (24, 852293), (26, 786732), (39, 524488), (52, 393366), (53, 385944), (78, 262244), (104, 196683), (106, 192972), (156, 131122), (159, 128648), (212, 96486), (312, 65561), (318, 64324), (424, 48243), (636, 32162), (689, 29688), (1237, 16536), (1272, 16081), (1378, 14844), (2067, 9896), (2474, 8268), (2756, 7422), (3711, 5512), (4134, 4948)]