19975320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55487}}^1$

素因数の和:55504

約数の個数: 48

約数和(自身を含む): 64920960

約数和(自身を除く): 44945640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55487, 110974, 166461, 221948, 277435, 332922, 443896, 499383, 554870, 665844, 832305, 998766, 1109740, 1331688, 1664610, 1997532, 2219480, 2496915, 3329220, 3995064, 4993830, 6658440, 9987660, 19975320]

約数ペア:

[(1, 19975320), (2, 9987660), (3, 6658440), (4, 4993830), (5, 3995064), (6, 3329220), (8, 2496915), (9, 2219480), (10, 1997532), (12, 1664610), (15, 1331688), (18, 1109740), (20, 998766), (24, 832305), (30, 665844), (36, 554870), (40, 499383), (45, 443896), (60, 332922), (72, 277435), (90, 221948), (120, 166461), (180, 110974), (360, 55487)]