20121986312

素因数分解:

$2^3\times {\mathrm{149}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1\times {\mathrm{373}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 38453184000

約数和(自身を除く): 18331197688

約数列:

[1, 2, 4, 8, 149, 167, 271, 298, 334, 373, 542, 596, 668, 746, 1084, 1192, 1336, 1492, 2168, 2984, 24883, 40379, 45257, 49766, 55577, 62291, 80758, 90514, 99532, 101083, 111154, 124582, 161516, 181028, 199064, 202166, 222308, 249164, 323032, 362056, 404332, 444616, 498328, 808664, 6743293, 9281359, 13486586, 15061367, 16880861, 18562718, 26973172, 30122734, 33761722, 37125436, 53946344, 60245468, 67523444, 74250872, 120490936, 135046888, 2515248289, 5030496578, 10060993156, 20121986312]

約数ペア:

[(1, 20121986312), (2, 10060993156), (4, 5030496578), (8, 2515248289), (149, 135046888), (167, 120490936), (271, 74250872), (298, 67523444), (334, 60245468), (373, 53946344), (542, 37125436), (596, 33761722), (668, 30122734), (746, 26973172), (1084, 18562718), (1192, 16880861), (1336, 15061367), (1492, 13486586), (2168, 9281359), (2984, 6743293), (24883, 808664), (40379, 498328), (45257, 444616), (49766, 404332), (55577, 362056), (62291, 323032), (80758, 249164), (90514, 222308), (99532, 202166), (101083, 199064), (111154, 181028), (124582, 161516)]