20222481620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1\times {\mathrm{5081}}^1$

素因数の和:5409

約数の個数: 96

約数和(自身を含む): 47128435200

約数和(自身を除く): 26905953580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 229, 316, 395, 458, 790, 869, 916, 1145, 1580, 1738, 2290, 2519, 3476, 4345, 4580, 5038, 5081, 8690, 10076, 10162, 12595, 17380, 18091, 20324, 25190, 25405, 36182, 50380, 50810, 55891, 72364, 90455, 101620, 111782, 180910, 199001, 223564, 279455, 361820, 398002, 401399, 558910, 796004, 802798, 995005, 1117820, 1163549, 1605596, 1990010, 2006995, 2327098, 3980020, 4013990, 4415389, 4654196, 5817745, 8027980, 8830778, 11635490, 12799039, 17661556, 22076945, 23270980, 25598078, 44153890, 51196156, 63995195, 88307780, 91920371, 127990390, 183840742, 255980780, 367681484, 459601855, 919203710, 1011124081, 1838407420, 2022248162, 4044496324, 5055620405, 10111240810, 20222481620]

約数ペア:

[(1, 20222481620), (2, 10111240810), (4, 5055620405), (5, 4044496324), (10, 2022248162), (11, 1838407420), (20, 1011124081), (22, 919203710), (44, 459601855), (55, 367681484), (79, 255980780), (110, 183840742), (158, 127990390), (220, 91920371), (229, 88307780), (316, 63995195), (395, 51196156), (458, 44153890), (790, 25598078), (869, 23270980), (916, 22076945), (1145, 17661556), (1580, 12799039), (1738, 11635490), (2290, 8830778), (2519, 8027980), (3476, 5817745), (4345, 4654196), (4580, 4415389), (5038, 4013990), (5081, 3980020), (8690, 2327098), (10076, 2006995), (10162, 1990010), (12595, 1605596), (17380, 1163549), (18091, 1117820), (20324, 995005), (25190, 802798), (25405, 796004), (36182, 558910), (50380, 401399), (50810, 398002), (55891, 361820), (72364, 279455), (90455, 223564), (101620, 199001), (111782, 180910)]