20898059280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12439321}}^1$

素因数の和:12439344

約数の個数: 80

約数和(自身を含む): 74038844544

約数和(自身を除く): 53140785264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12439321, 24878642, 37317963, 49757284, 62196605, 74635926, 87075247, 99514568, 124393210, 149271852, 174150494, 186589815, 199029136, 248786420, 261225741, 298543704, 348300988, 373179630, 435376235, 497572840, 522451482, 597087408, 696601976, 746359260, 870752470, 995145680, 1044902964, 1306128705, 1393203952, 1492718520, 1741504940, 2089805928, 2612257410, 2985437040, 3483009880, 4179611856, 5224514820, 6966019760, 10449029640, 20898059280]

約数ペア:

[(1, 20898059280), (2, 10449029640), (3, 6966019760), (4, 5224514820), (5, 4179611856), (6, 3483009880), (7, 2985437040), (8, 2612257410), (10, 2089805928), (12, 1741504940), (14, 1492718520), (15, 1393203952), (16, 1306128705), (20, 1044902964), (21, 995145680), (24, 870752470), (28, 746359260), (30, 696601976), (35, 597087408), (40, 522451482), (42, 497572840), (48, 435376235), (56, 373179630), (60, 348300988), (70, 298543704), (80, 261225741), (84, 248786420), (105, 199029136), (112, 186589815), (120, 174150494), (140, 149271852), (168, 124393210), (210, 99514568), (240, 87075247), (280, 74635926), (336, 62196605), (420, 49757284), (560, 37317963), (840, 24878642), (1680, 12439321)]