20213365545

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{587}}^1\times {\mathrm{26387}}^1$

素因数の和:27014

約数の個数: 48

約数和(自身を含む): 36307776960

約数和(自身を除く): 16094411415

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 587, 1305, 1761, 2935, 5283, 8805, 17023, 26387, 26415, 51069, 79161, 85115, 131935, 153207, 237483, 255345, 395805, 765223, 766035, 1187415, 2295669, 3826115, 6887007, 11478345, 15489169, 34435035, 46467507, 77445845, 139402521, 232337535, 449185901, 697012605, 1347557703, 2245929505, 4042673109, 6737788515, 20213365545]

約数ペア:

[(1, 20213365545), (3, 6737788515), (5, 4042673109), (9, 2245929505), (15, 1347557703), (29, 697012605), (45, 449185901), (87, 232337535), (145, 139402521), (261, 77445845), (435, 46467507), (587, 34435035), (1305, 15489169), (1761, 11478345), (2935, 6887007), (5283, 3826115), (8805, 2295669), (17023, 1187415), (26387, 766035), (26415, 765223), (51069, 395805), (79161, 255345), (85115, 237483), (131935, 153207)]