20125960365

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1190533}}^1$

素因数の和:1190578

約数の個数: 48

約数和(自身を含む): 39087612288

約数和(自身を除く): 18961651923

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 161, 245, 345, 483, 735, 805, 1127, 2415, 3381, 5635, 16905, 1190533, 3571599, 5952665, 8333731, 17857995, 25001193, 27382259, 41668655, 58336117, 82146777, 125005965, 136911295, 175008351, 191675813, 291680585, 410733885, 575027439, 875041755, 958379065, 1341730691, 2875137195, 4025192073, 6708653455, 20125960365]

約数ペア:

[(1, 20125960365), (3, 6708653455), (5, 4025192073), (7, 2875137195), (15, 1341730691), (21, 958379065), (23, 875041755), (35, 575027439), (49, 410733885), (69, 291680585), (105, 191675813), (115, 175008351), (147, 136911295), (161, 125005965), (245, 82146777), (345, 58336117), (483, 41668655), (735, 27382259), (805, 25001193), (1127, 17857995), (2415, 8333731), (3381, 5952665), (5635, 3571599), (16905, 1190533)]