20238091775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1\times {\mathrm{3989}}^1$

素因数の和:5000

約数の個数: 48

約数和(自身を含む): 28854403200

約数和(自身を除く): 8616311425

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 971, 1045, 3989, 4855, 5225, 10681, 18449, 19945, 24275, 43879, 53405, 75791, 92245, 99725, 202939, 219395, 267025, 378955, 461225, 833701, 1014695, 1096975, 1894775, 3873319, 4168505, 5073475, 19366595, 20842525, 42606509, 73593061, 96832975, 213032545, 367965305, 809523671, 1065162725, 1839826525, 4047618355, 20238091775]

約数ペア:

[(1, 20238091775), (5, 4047618355), (11, 1839826525), (19, 1065162725), (25, 809523671), (55, 367965305), (95, 213032545), (209, 96832975), (275, 73593061), (475, 42606509), (971, 20842525), (1045, 19366595), (3989, 5073475), (4855, 4168505), (5225, 3873319), (10681, 1894775), (18449, 1096975), (19945, 1014695), (24275, 833701), (43879, 461225), (53405, 378955), (75791, 267025), (92245, 219395), (99725, 202939)]