20202776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 44668800

約数和(自身を除く): 24466024

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 43, 44, 76, 86, 88, 152, 172, 209, 281, 344, 418, 473, 562, 817, 836, 946, 1124, 1634, 1672, 1892, 2248, 3091, 3268, 3784, 5339, 6182, 6536, 8987, 10678, 12083, 12364, 17974, 21356, 24166, 24728, 35948, 42712, 48332, 58729, 71896, 96664, 117458, 132913, 229577, 234916, 265826, 459154, 469832, 531652, 918308, 1063304, 1836616, 2525347, 5050694, 10101388, 20202776]

約数ペア:

[(1, 20202776), (2, 10101388), (4, 5050694), (8, 2525347), (11, 1836616), (19, 1063304), (22, 918308), (38, 531652), (43, 469832), (44, 459154), (76, 265826), (86, 234916), (88, 229577), (152, 132913), (172, 117458), (209, 96664), (281, 71896), (344, 58729), (418, 48332), (473, 42712), (562, 35948), (817, 24728), (836, 24166), (946, 21356), (1124, 17974), (1634, 12364), (1672, 12083), (1892, 10678), (2248, 8987), (3091, 6536), (3268, 6182), (3784, 5339)]