20203365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 96

約数和(自身を含む): 43013376

約数和(自身を除く): 22810011

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 41, 57, 65, 91, 95, 105, 123, 133, 195, 205, 247, 273, 285, 287, 361, 399, 455, 533, 615, 665, 741, 779, 861, 1083, 1235, 1365, 1435, 1599, 1729, 1805, 1995, 2337, 2527, 2665, 3705, 3731, 3895, 4305, 4693, 5187, 5415, 5453, 7581, 7995, 8645, 10127, 11193, 11685, 12635, 14079, 14801, 16359, 18655, 23465, 25935, 27265, 30381, 32851, 37905, 44403, 50635, 55965, 70395, 70889, 74005, 81795, 98553, 103607, 151905, 164255, 192413, 212667, 222015, 310821, 354445, 492765, 518035, 577239, 962065, 1063335, 1346891, 1554105, 2886195, 4040673, 6734455, 20203365]

約数ペア:

[(1, 20203365), (3, 6734455), (5, 4040673), (7, 2886195), (13, 1554105), (15, 1346891), (19, 1063335), (21, 962065), (35, 577239), (39, 518035), (41, 492765), (57, 354445), (65, 310821), (91, 222015), (95, 212667), (105, 192413), (123, 164255), (133, 151905), (195, 103607), (205, 98553), (247, 81795), (273, 74005), (285, 70889), (287, 70395), (361, 55965), (399, 50635), (455, 44403), (533, 37905), (615, 32851), (665, 30381), (741, 27265), (779, 25935), (861, 23465), (1083, 18655), (1235, 16359), (1365, 14801), (1435, 14079), (1599, 12635), (1729, 11685), (1805, 11193), (1995, 10127), (2337, 8645), (2527, 7995), (2665, 7581), (3705, 5453), (3731, 5415), (3895, 5187), (4305, 4693)]