20428776

素因数分解:

$2^3\times 3^2\times {\mathrm{167}}^1\times {\mathrm{1699}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 55692000

約数和(自身を除く): 35263224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 167, 334, 501, 668, 1002, 1336, 1503, 1699, 2004, 3006, 3398, 4008, 5097, 6012, 6796, 10194, 12024, 13592, 15291, 20388, 30582, 40776, 61164, 122328, 283733, 567466, 851199, 1134932, 1702398, 2269864, 2553597, 3404796, 5107194, 6809592, 10214388, 20428776]

約数ペア:

[(1, 20428776), (2, 10214388), (3, 6809592), (4, 5107194), (6, 3404796), (8, 2553597), (9, 2269864), (12, 1702398), (18, 1134932), (24, 851199), (36, 567466), (72, 283733), (167, 122328), (334, 61164), (501, 40776), (668, 30582), (1002, 20388), (1336, 15291), (1503, 13592), (1699, 12024), (2004, 10194), (3006, 6796), (3398, 6012), (4008, 5097)]