20452260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4801}}^1$

素因数の和:4884

約数の個数: 48

約数和(自身を含む): 58084992

約数和(自身を除く): 37632732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4801, 9602, 14403, 19204, 24005, 28806, 48010, 57612, 72015, 96020, 144030, 288060, 340871, 681742, 1022613, 1363484, 1704355, 2045226, 3408710, 4090452, 5113065, 6817420, 10226130, 20452260]

約数ペア:

[(1, 20452260), (2, 10226130), (3, 6817420), (4, 5113065), (5, 4090452), (6, 3408710), (10, 2045226), (12, 1704355), (15, 1363484), (20, 1022613), (30, 681742), (60, 340871), (71, 288060), (142, 144030), (213, 96020), (284, 72015), (355, 57612), (426, 48010), (710, 28806), (852, 24005), (1065, 19204), (1420, 14403), (2130, 9602), (4260, 4801)]