20033325

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{761}}^1$

素因数の和:796

約数の個数: 60

約数和(自身を含む): 40015668

約数和(自身を除く): 19982343

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 325, 351, 405, 585, 675, 761, 975, 1053, 1755, 2025, 2283, 2925, 3805, 5265, 6849, 8775, 9893, 11415, 19025, 20547, 26325, 29679, 34245, 49465, 57075, 61641, 89037, 102735, 148395, 171225, 247325, 267111, 308205, 445185, 513675, 741975, 801333, 1335555, 1541025, 2225925, 4006665, 6677775, 20033325]

約数ペア:

[(1, 20033325), (3, 6677775), (5, 4006665), (9, 2225925), (13, 1541025), (15, 1335555), (25, 801333), (27, 741975), (39, 513675), (45, 445185), (65, 308205), (75, 267111), (81, 247325), (117, 171225), (135, 148395), (195, 102735), (225, 89037), (325, 61641), (351, 57075), (405, 49465), (585, 34245), (675, 29679), (761, 26325), (975, 20547), (1053, 19025), (1755, 11415), (2025, 9893), (2283, 8775), (2925, 6849), (3805, 5265)]