20187044325

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{97841}}^1$

素因数の和:97995

約数の個数: 72

約数和(自身を含む): 41638424256

約数和(自身を除く): 21451379931

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 131, 175, 225, 315, 393, 525, 655, 917, 1179, 1575, 1965, 2751, 3275, 4585, 5895, 8253, 9825, 13755, 22925, 29475, 41265, 68775, 97841, 206325, 293523, 489205, 684887, 880569, 1467615, 2054661, 2446025, 3424435, 4402845, 6163983, 7338075, 10273305, 12817171, 17122175, 22014225, 30819915, 38451513, 51366525, 64085855, 89720197, 115354539, 154099575, 192257565, 269160591, 320429275, 448600985, 576772695, 807481773, 961287825, 1345802955, 2243004925, 2883863475, 4037408865, 6729014775, 20187044325]

約数ペア:

[(1, 20187044325), (3, 6729014775), (5, 4037408865), (7, 2883863475), (9, 2243004925), (15, 1345802955), (21, 961287825), (25, 807481773), (35, 576772695), (45, 448600985), (63, 320429275), (75, 269160591), (105, 192257565), (131, 154099575), (175, 115354539), (225, 89720197), (315, 64085855), (393, 51366525), (525, 38451513), (655, 30819915), (917, 22014225), (1179, 17122175), (1575, 12817171), (1965, 10273305), (2751, 7338075), (3275, 6163983), (4585, 4402845), (5895, 3424435), (8253, 2446025), (9825, 2054661), (13755, 1467615), (22925, 880569), (29475, 684887), (41265, 489205), (68775, 293523), (97841, 206325)]