20092860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 64236480

約数和(自身を除く): 44143620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 157, 158, 162, 180, 237, 270, 314, 316, 324, 395, 405, 471, 474, 540, 628, 711, 785, 790, 810, 942, 948, 1185, 1413, 1422, 1570, 1580, 1620, 1884, 2133, 2355, 2370, 2826, 2844, 3140, 3555, 4239, 4266, 4710, 4740, 5652, 6399, 7065, 7110, 8478, 8532, 9420, 10665, 12403, 12717, 12798, 14130, 14220, 16956, 21195, 21330, 24806, 25434, 25596, 28260, 31995, 37209, 42390, 42660, 49612, 50868, 62015, 63585, 63990, 74418, 84780, 111627, 124030, 127170, 127980, 148836, 186045, 223254, 248060, 254340, 334881, 372090, 446508, 558135, 669762, 744180, 1004643, 1116270, 1339524, 1674405, 2009286, 2232540, 3348810, 4018572, 5023215, 6697620, 10046430, 20092860]

約数ペア:

[(1, 20092860), (2, 10046430), (3, 6697620), (4, 5023215), (5, 4018572), (6, 3348810), (9, 2232540), (10, 2009286), (12, 1674405), (15, 1339524), (18, 1116270), (20, 1004643), (27, 744180), (30, 669762), (36, 558135), (45, 446508), (54, 372090), (60, 334881), (79, 254340), (81, 248060), (90, 223254), (108, 186045), (135, 148836), (157, 127980), (158, 127170), (162, 124030), (180, 111627), (237, 84780), (270, 74418), (314, 63990), (316, 63585), (324, 62015), (395, 50868), (405, 49612), (471, 42660), (474, 42390), (540, 37209), (628, 31995), (711, 28260), (785, 25596), (790, 25434), (810, 24806), (942, 21330), (948, 21195), (1185, 16956), (1413, 14220), (1422, 14130), (1570, 12798), (1580, 12717), (1620, 12403), (1884, 10665), (2133, 9420), (2355, 8532), (2370, 8478), (2826, 7110), (2844, 7065), (3140, 6399), (3555, 5652), (4239, 4740), (4266, 4710)]