20233665820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2797}}^1\times {\mathrm{19037}}^1$

素因数の和:21862

約数の個数: 48

約数和(自身を含む): 44745392160

約数和(自身を除く): 24511726340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2797, 5594, 11188, 13985, 19037, 27970, 38074, 53143, 55940, 76148, 95185, 106286, 190370, 212572, 265715, 361703, 380740, 531430, 723406, 1062860, 1446812, 1808515, 3617030, 7234060, 53246489, 106492978, 212985956, 266232445, 532464890, 1011683291, 1064929780, 2023366582, 4046733164, 5058416455, 10116832910, 20233665820]

約数ペア:

[(1, 20233665820), (2, 10116832910), (4, 5058416455), (5, 4046733164), (10, 2023366582), (19, 1064929780), (20, 1011683291), (38, 532464890), (76, 266232445), (95, 212985956), (190, 106492978), (380, 53246489), (2797, 7234060), (5594, 3617030), (11188, 1808515), (13985, 1446812), (19037, 1062860), (27970, 723406), (38074, 531430), (53143, 380740), (55940, 361703), (76148, 265715), (95185, 212572), (106286, 190370)]