20339410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 47803392

約数和(自身を除く): 27463982

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 49, 62, 65, 70, 91, 98, 103, 130, 155, 182, 206, 217, 245, 310, 403, 434, 455, 490, 515, 637, 721, 806, 910, 1030, 1085, 1274, 1339, 1442, 1519, 2015, 2170, 2678, 2821, 3038, 3185, 3193, 3605, 4030, 5047, 5642, 6370, 6386, 6695, 7210, 7595, 9373, 10094, 13390, 14105, 15190, 15965, 18746, 19747, 22351, 25235, 28210, 31930, 39494, 41509, 44702, 46865, 50470, 65611, 83018, 93730, 98735, 111755, 131222, 156457, 197470, 207545, 223510, 290563, 312914, 328055, 415090, 581126, 656110, 782285, 1452815, 1564570, 2033941, 2905630, 4067882, 10169705, 20339410]

約数ペア:

[(1, 20339410), (2, 10169705), (5, 4067882), (7, 2905630), (10, 2033941), (13, 1564570), (14, 1452815), (26, 782285), (31, 656110), (35, 581126), (49, 415090), (62, 328055), (65, 312914), (70, 290563), (91, 223510), (98, 207545), (103, 197470), (130, 156457), (155, 131222), (182, 111755), (206, 98735), (217, 93730), (245, 83018), (310, 65611), (403, 50470), (434, 46865), (455, 44702), (490, 41509), (515, 39494), (637, 31930), (721, 28210), (806, 25235), (910, 22351), (1030, 19747), (1085, 18746), (1274, 15965), (1339, 15190), (1442, 14105), (1519, 13390), (2015, 10094), (2170, 9373), (2678, 7595), (2821, 7210), (3038, 6695), (3185, 6386), (3193, 6370), (3605, 5642), (4030, 5047)]