20183275

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 30623040

約数和(自身を除く): 10439765

約数列:

[1, 5, 7, 25, 29, 35, 41, 97, 145, 175, 203, 205, 287, 485, 679, 725, 1015, 1025, 1189, 1435, 2425, 2813, 3395, 3977, 5075, 5945, 7175, 8323, 14065, 16975, 19691, 19885, 27839, 29725, 41615, 70325, 98455, 99425, 115333, 139195, 208075, 492275, 576665, 695975, 807331, 2883325, 4036655, 20183275]

約数ペア:

[(1, 20183275), (5, 4036655), (7, 2883325), (25, 807331), (29, 695975), (35, 576665), (41, 492275), (97, 208075), (145, 139195), (175, 115333), (203, 99425), (205, 98455), (287, 70325), (485, 41615), (679, 29725), (725, 27839), (1015, 19885), (1025, 19691), (1189, 16975), (1435, 14065), (2425, 8323), (2813, 7175), (3395, 5945), (3977, 5075)]