20148618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 48107520

約数和(自身を除く): 27958902

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 59, 94, 118, 141, 173, 177, 282, 329, 346, 354, 413, 519, 658, 826, 987, 1038, 1211, 1239, 1974, 2422, 2478, 2773, 3633, 5546, 7266, 8131, 8319, 10207, 16262, 16638, 19411, 20414, 24393, 30621, 38822, 48786, 56917, 58233, 61242, 71449, 113834, 116466, 142898, 170751, 214347, 341502, 428694, 479729, 959458, 1439187, 2878374, 3358103, 6716206, 10074309, 20148618]

約数ペア:

[(1, 20148618), (2, 10074309), (3, 6716206), (6, 3358103), (7, 2878374), (14, 1439187), (21, 959458), (42, 479729), (47, 428694), (59, 341502), (94, 214347), (118, 170751), (141, 142898), (173, 116466), (177, 113834), (282, 71449), (329, 61242), (346, 58233), (354, 56917), (413, 48786), (519, 38822), (658, 30621), (826, 24393), (987, 20414), (1038, 19411), (1211, 16638), (1239, 16262), (1974, 10207), (2422, 8319), (2478, 8131), (2773, 7266), (3633, 5546)]