20996906130

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{170167}}^1$

素因数の和:170640

約数の個数: 64

約数和(自身を含む): 56114599680

約数和(自身を除く): 35117693550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 457, 914, 1371, 2285, 2742, 4113, 4570, 6855, 8226, 12339, 13710, 20565, 24678, 41130, 61695, 123390, 170167, 340334, 510501, 850835, 1021002, 1531503, 1701670, 2552505, 3063006, 4594509, 5105010, 7657515, 9189018, 15315030, 22972545, 45945090, 77766319, 155532638, 233298957, 388831595, 466597914, 699896871, 777663190, 1166494785, 1399793742, 2099690613, 2332989570, 3499484355, 4199381226, 6998968710, 10498453065, 20996906130]

約数ペア:

[(1, 20996906130), (2, 10498453065), (3, 6998968710), (5, 4199381226), (6, 3499484355), (9, 2332989570), (10, 2099690613), (15, 1399793742), (18, 1166494785), (27, 777663190), (30, 699896871), (45, 466597914), (54, 388831595), (90, 233298957), (135, 155532638), (270, 77766319), (457, 45945090), (914, 22972545), (1371, 15315030), (2285, 9189018), (2742, 7657515), (4113, 5105010), (4570, 4594509), (6855, 3063006), (8226, 2552505), (12339, 1701670), (13710, 1531503), (20565, 1021002), (24678, 850835), (41130, 510501), (61695, 340334), (123390, 170167)]