20196799164

素因数分解:

$2^2\times 3^2\times {\mathrm{191}}^1\times {\mathrm{1103}}^1\times {\mathrm{2663}}^1$

素因数の和:3967

約数の個数: 72

約数和(自身を含む): 51386130432

約数和(自身を除く): 31189331268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 191, 382, 573, 764, 1103, 1146, 1719, 2206, 2292, 2663, 3309, 3438, 4412, 5326, 6618, 6876, 7989, 9927, 10652, 13236, 15978, 19854, 23967, 31956, 39708, 47934, 95868, 210673, 421346, 508633, 632019, 842692, 1017266, 1264038, 1525899, 1896057, 2034532, 2528076, 2937289, 3051798, 3792114, 4577697, 5874578, 6103596, 7584228, 8811867, 9155394, 11749156, 17623734, 18310788, 26435601, 35247468, 52871202, 105742404, 561022199, 1122044398, 1683066597, 2244088796, 3366133194, 5049199791, 6732266388, 10098399582, 20196799164]

約数ペア:

[(1, 20196799164), (2, 10098399582), (3, 6732266388), (4, 5049199791), (6, 3366133194), (9, 2244088796), (12, 1683066597), (18, 1122044398), (36, 561022199), (191, 105742404), (382, 52871202), (573, 35247468), (764, 26435601), (1103, 18310788), (1146, 17623734), (1719, 11749156), (2206, 9155394), (2292, 8811867), (2663, 7584228), (3309, 6103596), (3438, 5874578), (4412, 4577697), (5326, 3792114), (6618, 3051798), (6876, 2937289), (7989, 2528076), (9927, 2034532), (10652, 1896057), (13236, 1525899), (15978, 1264038), (19854, 1017266), (23967, 842692), (31956, 632019), (39708, 508633), (47934, 421346), (95868, 210673)]