20687112612

素因数分解:

$2^2\times 3^4\times {\mathrm{397}}^1\times {\mathrm{160829}}^1$

素因数の和:161242

約数の個数: 60

約数和(自身を含む): 54216757980

約数和(自身を除く): 33529645368

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 397, 794, 1191, 1588, 2382, 3573, 4764, 7146, 10719, 14292, 21438, 32157, 42876, 64314, 128628, 160829, 321658, 482487, 643316, 964974, 1447461, 1929948, 2894922, 4342383, 5789844, 8684766, 13027149, 17369532, 26054298, 52108596, 63849113, 127698226, 191547339, 255396452, 383094678, 574642017, 766189356, 1149284034, 1723926051, 2298568068, 3447852102, 5171778153, 6895704204, 10343556306, 20687112612]

約数ペア:

[(1, 20687112612), (2, 10343556306), (3, 6895704204), (4, 5171778153), (6, 3447852102), (9, 2298568068), (12, 1723926051), (18, 1149284034), (27, 766189356), (36, 574642017), (54, 383094678), (81, 255396452), (108, 191547339), (162, 127698226), (324, 63849113), (397, 52108596), (794, 26054298), (1191, 17369532), (1588, 13027149), (2382, 8684766), (3573, 5789844), (4764, 4342383), (7146, 2894922), (10719, 1929948), (14292, 1447461), (21438, 964974), (32157, 643316), (42876, 482487), (64314, 321658), (128628, 160829)]