20239325768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{421}}^1\times {\mathrm{881}}^1$

素因数の和:1686

約数の個数: 64

約数和(自身を含む): 40198032000

約数和(自身を除く): 19958706232

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 359, 421, 718, 842, 881, 1436, 1684, 1762, 2872, 3368, 3524, 6821, 7048, 7999, 13642, 15998, 16739, 27284, 31996, 33478, 54568, 63992, 66956, 133912, 151139, 302278, 316279, 370901, 604556, 632558, 741802, 1209112, 1265116, 1483604, 2530232, 2871641, 2967208, 5743282, 6009301, 7047119, 11486564, 12018602, 14094238, 22973128, 24037204, 28188476, 48074408, 56376952, 133153459, 266306918, 532613836, 1065227672, 2529915721, 5059831442, 10119662884, 20239325768]

約数ペア:

[(1, 20239325768), (2, 10119662884), (4, 5059831442), (8, 2529915721), (19, 1065227672), (38, 532613836), (76, 266306918), (152, 133153459), (359, 56376952), (421, 48074408), (718, 28188476), (842, 24037204), (881, 22973128), (1436, 14094238), (1684, 12018602), (1762, 11486564), (2872, 7047119), (3368, 6009301), (3524, 5743282), (6821, 2967208), (7048, 2871641), (7999, 2530232), (13642, 1483604), (15998, 1265116), (16739, 1209112), (27284, 741802), (31996, 632558), (33478, 604556), (54568, 370901), (63992, 316279), (66956, 302278), (133912, 151139)]