20122085864

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1\times {\mathrm{1151}}^1$

素因数の和:1794

約数の個数: 64

約数和(自身を含む): 39315456000

約数和(自身を除く): 19193370136

約数列:

[1, 2, 4, 8, 31, 62, 124, 157, 248, 314, 449, 628, 898, 1151, 1256, 1796, 2302, 3592, 4604, 4867, 9208, 9734, 13919, 19468, 27838, 35681, 38936, 55676, 70493, 71362, 111352, 140986, 142724, 180707, 281972, 285448, 361414, 516799, 563944, 722828, 1033598, 1445656, 2067196, 2185283, 4134392, 4370566, 5601917, 8741132, 11203834, 16020769, 17482264, 22407668, 32041538, 44815336, 64083076, 81137443, 128166152, 162274886, 324549772, 649099544, 2515260733, 5030521466, 10061042932, 20122085864]

約数ペア:

[(1, 20122085864), (2, 10061042932), (4, 5030521466), (8, 2515260733), (31, 649099544), (62, 324549772), (124, 162274886), (157, 128166152), (248, 81137443), (314, 64083076), (449, 44815336), (628, 32041538), (898, 22407668), (1151, 17482264), (1256, 16020769), (1796, 11203834), (2302, 8741132), (3592, 5601917), (4604, 4370566), (4867, 4134392), (9208, 2185283), (9734, 2067196), (13919, 1445656), (19468, 1033598), (27838, 722828), (35681, 563944), (38936, 516799), (55676, 361414), (70493, 285448), (71362, 281972), (111352, 180707), (140986, 142724)]