2020148420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{258331}}^1$

素因数の和:258380

約数の個数: 48

約数和(自身を含む): 4687175808

約数和(自身を除く): 2667027388

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 258331, 516662, 1033324, 1291655, 2583310, 4391627, 5166620, 5941613, 8783254, 11883226, 17566508, 21958135, 23766452, 29708065, 43916270, 59416130, 87832540, 101007421, 118832260, 202014842, 404029684, 505037105, 1010074210, 2020148420]

約数ペア:

[(1, 2020148420), (2, 1010074210), (4, 505037105), (5, 404029684), (10, 202014842), (17, 118832260), (20, 101007421), (23, 87832540), (34, 59416130), (46, 43916270), (68, 29708065), (85, 23766452), (92, 21958135), (115, 17566508), (170, 11883226), (230, 8783254), (340, 5941613), (391, 5166620), (460, 4391627), (782, 2583310), (1564, 1291655), (1955, 1033324), (3910, 516662), (7820, 258331)]