20872098

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{467}}^1$

素因数の和:679

約数の個数: 48

約数和(自身を含む): 49061376

約数和(自身を除く): 28189278

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 191, 234, 382, 467, 573, 934, 1146, 1401, 1719, 2483, 2802, 3438, 4203, 4966, 6071, 7449, 8406, 12142, 14898, 18213, 22347, 36426, 44694, 54639, 89197, 109278, 178394, 267591, 535182, 802773, 1159561, 1605546, 2319122, 3478683, 6957366, 10436049, 20872098]

約数ペア:

[(1, 20872098), (2, 10436049), (3, 6957366), (6, 3478683), (9, 2319122), (13, 1605546), (18, 1159561), (26, 802773), (39, 535182), (78, 267591), (117, 178394), (191, 109278), (234, 89197), (382, 54639), (467, 44694), (573, 36426), (934, 22347), (1146, 18213), (1401, 14898), (1719, 12142), (2483, 8406), (2802, 7449), (3438, 6071), (4203, 4966)]