20157660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:585

約数の個数: 120

約数和(自身を含む): 66106656

約数和(自身を除く): 45948996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 270, 276, 324, 345, 405, 414, 460, 540, 541, 621, 690, 810, 828, 1035, 1082, 1242, 1380, 1620, 1623, 1863, 2070, 2164, 2484, 2705, 3105, 3246, 3726, 4140, 4869, 5410, 6210, 6492, 7452, 8115, 9315, 9738, 10820, 12420, 12443, 14607, 16230, 18630, 19476, 24345, 24886, 29214, 32460, 37260, 37329, 43821, 48690, 49772, 58428, 62215, 73035, 74658, 87642, 97380, 111987, 124430, 146070, 149316, 175284, 186645, 219105, 223974, 248860, 292140, 335961, 373290, 438210, 447948, 559935, 671922, 746580, 876420, 1007883, 1119870, 1343844, 1679805, 2015766, 2239740, 3359610, 4031532, 5039415, 6719220, 10078830, 20157660]

約数ペア:

[(1, 20157660), (2, 10078830), (3, 6719220), (4, 5039415), (5, 4031532), (6, 3359610), (9, 2239740), (10, 2015766), (12, 1679805), (15, 1343844), (18, 1119870), (20, 1007883), (23, 876420), (27, 746580), (30, 671922), (36, 559935), (45, 447948), (46, 438210), (54, 373290), (60, 335961), (69, 292140), (81, 248860), (90, 223974), (92, 219105), (108, 186645), (115, 175284), (135, 149316), (138, 146070), (162, 124430), (180, 111987), (207, 97380), (230, 87642), (270, 74658), (276, 73035), (324, 62215), (345, 58428), (405, 49772), (414, 48690), (460, 43821), (540, 37329), (541, 37260), (621, 32460), (690, 29214), (810, 24886), (828, 24345), (1035, 19476), (1082, 18630), (1242, 16230), (1380, 14607), (1620, 12443), (1623, 12420), (1863, 10820), (2070, 9738), (2164, 9315), (2484, 8115), (2705, 7452), (3105, 6492), (3246, 6210), (3726, 5410), (4140, 4869)]