20183938075

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{294979}}^1$

素因数の和:295036

約数の個数: 48

約数和(自身を含む): 31602977280

約数和(自身を除く): 11419039205

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 161, 175, 391, 425, 575, 595, 805, 1955, 2737, 2975, 4025, 9775, 13685, 68425, 294979, 1474895, 2064853, 5014643, 6784517, 7374475, 10324265, 25073215, 33922585, 35102501, 47491619, 51621325, 115336789, 125366075, 169612925, 175512505, 237458095, 576683945, 807357523, 877562525, 1187290475, 2883419725, 4036787615, 20183938075]

約数ペア:

[(1, 20183938075), (5, 4036787615), (7, 2883419725), (17, 1187290475), (23, 877562525), (25, 807357523), (35, 576683945), (85, 237458095), (115, 175512505), (119, 169612925), (161, 125366075), (175, 115336789), (391, 51621325), (425, 47491619), (575, 35102501), (595, 33922585), (805, 25073215), (1955, 10324265), (2737, 7374475), (2975, 6784517), (4025, 5014643), (9775, 2064853), (13685, 1474895), (68425, 294979)]