20165202603

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{8161}}^1$

素因数の和:8625

約数の個数: 72

約数和(自身を含む): 36578558016

約数和(自身を除く): 16413355413

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 431, 441, 637, 819, 1293, 1911, 3017, 3879, 5603, 5733, 8161, 9051, 16809, 21119, 24483, 27153, 39221, 50427, 57127, 63357, 73449, 106093, 117663, 171381, 190071, 274547, 318279, 352989, 399889, 514143, 742651, 823641, 954837, 1199667, 2227953, 2470923, 3517391, 3599001, 5198557, 6683859, 10552173, 15595671, 24621737, 31656519, 45726083, 46787013, 73865211, 137178249, 172352159, 221595633, 320082581, 411534747, 517056477, 960247743, 1551169431, 2240578067, 2880743229, 6721734201, 20165202603]

約数ペア:

[(1, 20165202603), (3, 6721734201), (7, 2880743229), (9, 2240578067), (13, 1551169431), (21, 960247743), (39, 517056477), (49, 411534747), (63, 320082581), (91, 221595633), (117, 172352159), (147, 137178249), (273, 73865211), (431, 46787013), (441, 45726083), (637, 31656519), (819, 24621737), (1293, 15595671), (1911, 10552173), (3017, 6683859), (3879, 5198557), (5603, 3599001), (5733, 3517391), (8161, 2470923), (9051, 2227953), (16809, 1199667), (21119, 954837), (24483, 823641), (27153, 742651), (39221, 514143), (50427, 399889), (57127, 352989), (63357, 318279), (73449, 274547), (106093, 190071), (117663, 171381)]