20499573120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{821297}}^1$

素因数の和:821332

約数の個数: 128

約数和(自身を含む): 70368812640

約数和(自身を除く): 49869239520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 821297, 1642594, 2463891, 3285188, 4106485, 4927782, 6570376, 8212970, 9855564, 10676861, 12319455, 13140752, 16425940, 19711128, 21353722, 24638910, 26281504, 32030583, 32851880, 39422256, 42707444, 49277820, 52563008, 53384305, 64061166, 65703760, 78844512, 85414888, 98555640, 105126016, 106768610, 128122332, 131407520, 157689024, 160152915, 170829776, 197111280, 213537220, 256244664, 262815040, 315378048, 320305830, 341659552, 394222560, 427074440, 512489328, 525630080, 640611660, 683319104, 788445120, 854148880, 1024978656, 1281223320, 1366638208, 1576890240, 1708297760, 2049957312, 2562446640, 3416595520, 4099914624, 5124893280, 6833191040, 10249786560, 20499573120]

約数ペア:

[(1, 20499573120), (2, 10249786560), (3, 6833191040), (4, 5124893280), (5, 4099914624), (6, 3416595520), (8, 2562446640), (10, 2049957312), (12, 1708297760), (13, 1576890240), (15, 1366638208), (16, 1281223320), (20, 1024978656), (24, 854148880), (26, 788445120), (30, 683319104), (32, 640611660), (39, 525630080), (40, 512489328), (48, 427074440), (52, 394222560), (60, 341659552), (64, 320305830), (65, 315378048), (78, 262815040), (80, 256244664), (96, 213537220), (104, 197111280), (120, 170829776), (128, 160152915), (130, 157689024), (156, 131407520), (160, 128122332), (192, 106768610), (195, 105126016), (208, 98555640), (240, 85414888), (260, 78844512), (312, 65703760), (320, 64061166), (384, 53384305), (390, 52563008), (416, 49277820), (480, 42707444), (520, 39422256), (624, 32851880), (640, 32030583), (780, 26281504), (832, 24638910), (960, 21353722), (1040, 19711128), (1248, 16425940), (1560, 13140752), (1664, 12319455), (1920, 10676861), (2080, 9855564), (2496, 8212970), (3120, 6570376), (4160, 4927782), (4992, 4106485), (6240, 3285188), (8320, 2463891), (12480, 1642594), (24960, 821297)]