20548380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8353}}^1$

素因数の和:8406

約数の個数: 48

約数和(自身を含む): 58945824

約数和(自身を除く): 38397444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8353, 16706, 25059, 33412, 41765, 50118, 83530, 100236, 125295, 167060, 250590, 342473, 501180, 684946, 1027419, 1369892, 1712365, 2054838, 3424730, 4109676, 5137095, 6849460, 10274190, 20548380]

約数ペア:

[(1, 20548380), (2, 10274190), (3, 6849460), (4, 5137095), (5, 4109676), (6, 3424730), (10, 2054838), (12, 1712365), (15, 1369892), (20, 1027419), (30, 684946), (41, 501180), (60, 342473), (82, 250590), (123, 167060), (164, 125295), (205, 100236), (246, 83530), (410, 50118), (492, 41765), (615, 33412), (820, 25059), (1230, 16706), (2460, 8353)]