20801186

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 17809246

約数列:

[1, 2, 7, 14, 31, 41, 49, 62, 82, 98, 167, 217, 287, 334, 434, 574, 1169, 1271, 1519, 2009, 2338, 2542, 3038, 4018, 5177, 6847, 8183, 8897, 10354, 13694, 16366, 17794, 36239, 47929, 62279, 72478, 95858, 124558, 212257, 253673, 335503, 424514, 507346, 671006, 1485799, 2971598, 10400593, 20801186]

約数ペア:

[(1, 20801186), (2, 10400593), (7, 2971598), (14, 1485799), (31, 671006), (41, 507346), (49, 424514), (62, 335503), (82, 253673), (98, 212257), (167, 124558), (217, 95858), (287, 72478), (334, 62279), (434, 47929), (574, 36239), (1169, 17794), (1271, 16366), (1519, 13694), (2009, 10354), (2338, 8897), (2542, 8183), (3038, 6847), (4018, 5177)]