20398480312

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1\times {\mathrm{5923}}^1$

素因数の和:6716

約数の個数: 64

約数和(自身を含む): 44273606400

約数和(自身を除く): 23875126088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 691, 712, 1246, 1382, 2492, 2764, 4837, 4984, 5528, 5923, 9674, 11846, 19348, 23692, 38696, 41461, 47384, 61499, 82922, 122998, 165844, 245996, 331688, 430493, 491992, 527147, 860986, 1054294, 1721972, 2108588, 3443944, 3690029, 4092793, 4217176, 7380058, 8185586, 14760116, 16371172, 28649551, 29520232, 32742344, 57299102, 114598204, 229196408, 364258577, 728517154, 1457034308, 2549810039, 2914068616, 5099620078, 10199240156, 20398480312]

約数ペア:

[(1, 20398480312), (2, 10199240156), (4, 5099620078), (7, 2914068616), (8, 2549810039), (14, 1457034308), (28, 728517154), (56, 364258577), (89, 229196408), (178, 114598204), (356, 57299102), (623, 32742344), (691, 29520232), (712, 28649551), (1246, 16371172), (1382, 14760116), (2492, 8185586), (2764, 7380058), (4837, 4217176), (4984, 4092793), (5528, 3690029), (5923, 3443944), (9674, 2108588), (11846, 1721972), (19348, 1054294), (23692, 860986), (38696, 527147), (41461, 491992), (47384, 430493), (61499, 331688), (82922, 245996), (122998, 165844)]