20171454228

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{55351}}^1$

素因数の和:55605

約数の個数: 72

約数和(自身を含む): 52223947776

約数和(自身を除く): 32052493548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 191, 212, 318, 382, 477, 573, 636, 764, 954, 1146, 1719, 1908, 2292, 3438, 6876, 10123, 20246, 30369, 40492, 55351, 60738, 91107, 110702, 121476, 166053, 182214, 221404, 332106, 364428, 498159, 664212, 996318, 1992636, 2933603, 5867206, 8800809, 10572041, 11734412, 17601618, 21144082, 26402427, 31716123, 35203236, 42288164, 52804854, 63432246, 95148369, 105609708, 126864492, 190296738, 380593476, 560318173, 1120636346, 1680954519, 2241272692, 3361909038, 5042863557, 6723818076, 10085727114, 20171454228]

約数ペア:

[(1, 20171454228), (2, 10085727114), (3, 6723818076), (4, 5042863557), (6, 3361909038), (9, 2241272692), (12, 1680954519), (18, 1120636346), (36, 560318173), (53, 380593476), (106, 190296738), (159, 126864492), (191, 105609708), (212, 95148369), (318, 63432246), (382, 52804854), (477, 42288164), (573, 35203236), (636, 31716123), (764, 26402427), (954, 21144082), (1146, 17601618), (1719, 11734412), (1908, 10572041), (2292, 8800809), (3438, 5867206), (6876, 2933603), (10123, 1992636), (20246, 996318), (30369, 664212), (40492, 498159), (55351, 364428), (60738, 332106), (91107, 221404), (110702, 182214), (121476, 166053)]