20161489376

素因数分解:

$2^5\times 7^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1\times {\mathrm{1187}}^1$

素因数の和:1792

約数の個数: 96

約数和(自身を含む): 45754232832

約数和(自身を除く): 25592743456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 191, 224, 382, 397, 764, 794, 1187, 1337, 1528, 1588, 2374, 2674, 2779, 3056, 3176, 4748, 5348, 5558, 6112, 6352, 8309, 9496, 10696, 11116, 12704, 16618, 18992, 21392, 22232, 33236, 37984, 42784, 44464, 66472, 75827, 88928, 132944, 151654, 226717, 265888, 303308, 453434, 471239, 530789, 606616, 906868, 942478, 1061578, 1213232, 1587019, 1813736, 1884956, 2123156, 2426464, 3174038, 3298673, 3627472, 3769912, 4246312, 6348076, 6597346, 7254944, 7539824, 8492624, 12696152, 13194692, 15079648, 16985248, 25392304, 26389384, 50784608, 52778768, 90006649, 105557536, 180013298, 360026596, 630046543, 720053192, 1260093086, 1440106384, 2520186172, 2880212768, 5040372344, 10080744688, 20161489376]

約数ペア:

[(1, 20161489376), (2, 10080744688), (4, 5040372344), (7, 2880212768), (8, 2520186172), (14, 1440106384), (16, 1260093086), (28, 720053192), (32, 630046543), (56, 360026596), (112, 180013298), (191, 105557536), (224, 90006649), (382, 52778768), (397, 50784608), (764, 26389384), (794, 25392304), (1187, 16985248), (1337, 15079648), (1528, 13194692), (1588, 12696152), (2374, 8492624), (2674, 7539824), (2779, 7254944), (3056, 6597346), (3176, 6348076), (4748, 4246312), (5348, 3769912), (5558, 3627472), (6112, 3298673), (6352, 3174038), (8309, 2426464), (9496, 2123156), (10696, 1884956), (11116, 1813736), (12704, 1587019), (16618, 1213232), (18992, 1061578), (21392, 942478), (22232, 906868), (33236, 606616), (37984, 530789), (42784, 471239), (44464, 453434), (66472, 303308), (75827, 265888), (88928, 226717), (132944, 151654)]