20666592

素因数分解:

$2^5\times 3^2\times {\mathrm{73}}^1\times {\mathrm{983}}^1$

素因数の和:1072

約数の個数: 72

約数和(自身を含む): 59636304

約数和(自身を除く): 38969712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 73, 96, 144, 146, 219, 288, 292, 438, 584, 657, 876, 983, 1168, 1314, 1752, 1966, 2336, 2628, 2949, 3504, 3932, 5256, 5898, 7008, 7864, 8847, 10512, 11796, 15728, 17694, 21024, 23592, 31456, 35388, 47184, 70776, 71759, 94368, 141552, 143518, 215277, 283104, 287036, 430554, 574072, 645831, 861108, 1148144, 1291662, 1722216, 2296288, 2583324, 3444432, 5166648, 6888864, 10333296, 20666592]

約数ペア:

[(1, 20666592), (2, 10333296), (3, 6888864), (4, 5166648), (6, 3444432), (8, 2583324), (9, 2296288), (12, 1722216), (16, 1291662), (18, 1148144), (24, 861108), (32, 645831), (36, 574072), (48, 430554), (72, 287036), (73, 283104), (96, 215277), (144, 143518), (146, 141552), (219, 94368), (288, 71759), (292, 70776), (438, 47184), (584, 35388), (657, 31456), (876, 23592), (983, 21024), (1168, 17694), (1314, 15728), (1752, 11796), (1966, 10512), (2336, 8847), (2628, 7864), (2949, 7008), (3504, 5898), (3932, 5256)]