20030140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1879}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 46428480

約数和(自身を除く): 26398340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 1879, 2132, 2665, 3758, 5330, 7516, 9395, 10660, 18790, 24427, 37580, 48854, 77039, 97708, 122135, 154078, 244270, 308156, 385195, 488540, 770390, 1001507, 1540780, 2003014, 4006028, 5007535, 10015070, 20030140]

約数ペア:

[(1, 20030140), (2, 10015070), (4, 5007535), (5, 4006028), (10, 2003014), (13, 1540780), (20, 1001507), (26, 770390), (41, 488540), (52, 385195), (65, 308156), (82, 244270), (130, 154078), (164, 122135), (205, 97708), (260, 77039), (410, 48854), (533, 37580), (820, 24427), (1066, 18790), (1879, 10660), (2132, 9395), (2665, 7516), (3758, 5330)]