20722680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5233}}^1$

素因数の和:5261

約数の個数: 96

約数和(自身を含む): 73485360

約数和(自身を除く): 52762680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5233, 10466, 15699, 20932, 26165, 31398, 41864, 47097, 52330, 57563, 62796, 78495, 94194, 104660, 115126, 125592, 156990, 172689, 188388, 209320, 230252, 235485, 287815, 313980, 345378, 376776, 460504, 470970, 518067, 575630, 627960, 690756, 863445, 941940, 1036134, 1151260, 1381512, 1726890, 1883880, 2072268, 2302520, 2590335, 3453780, 4144536, 5180670, 6907560, 10361340, 20722680]

約数ペア:

[(1, 20722680), (2, 10361340), (3, 6907560), (4, 5180670), (5, 4144536), (6, 3453780), (8, 2590335), (9, 2302520), (10, 2072268), (11, 1883880), (12, 1726890), (15, 1381512), (18, 1151260), (20, 1036134), (22, 941940), (24, 863445), (30, 690756), (33, 627960), (36, 575630), (40, 518067), (44, 470970), (45, 460504), (55, 376776), (60, 345378), (66, 313980), (72, 287815), (88, 235485), (90, 230252), (99, 209320), (110, 188388), (120, 172689), (132, 156990), (165, 125592), (180, 115126), (198, 104660), (220, 94194), (264, 78495), (330, 62796), (360, 57563), (396, 52330), (440, 47097), (495, 41864), (660, 31398), (792, 26165), (990, 20932), (1320, 15699), (1980, 10466), (3960, 5233)]