20346504009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 32997113856

約数和(自身を除く): 12650609847

約数列:

[1, 3, 13, 17, 31, 39, 51, 71, 73, 93, 191, 213, 219, 221, 403, 527, 573, 663, 923, 949, 1207, 1209, 1241, 1581, 2201, 2263, 2483, 2769, 2847, 3247, 3621, 3723, 5183, 5921, 6603, 6789, 6851, 7449, 9741, 13561, 13943, 15549, 15691, 16133, 17763, 20553, 28613, 29419, 37417, 38471, 40683, 41829, 42211, 47073, 48399, 67379, 76973, 85839, 88111, 88257, 100657, 112251, 115413, 126633, 160673, 176293, 181259, 202137, 230537, 230919, 237031, 264333, 301971, 420391, 432233, 482019, 486421, 500123, 528879, 543777, 691611, 711093, 989953, 1145443, 1261173, 1296699, 1308541, 1459263, 1500369, 2088749, 2731441, 2969859, 2996981, 3081403, 3436329, 3925623, 5465083, 5619029, 6266247, 7146647, 7347961, 8194323, 8990943, 9244209, 12869389, 16395249, 16829201, 16857087, 21439941, 22043883, 30688543, 35508733, 38608167, 50487603, 92065629, 92906411, 95523493, 106526199, 218779613, 278719233, 286570479, 398951059, 521705231, 656338839, 1196853177, 1565115693, 6782168003, 20346504009]

約数ペア:

[(1, 20346504009), (3, 6782168003), (13, 1565115693), (17, 1196853177), (31, 656338839), (39, 521705231), (51, 398951059), (71, 286570479), (73, 278719233), (93, 218779613), (191, 106526199), (213, 95523493), (219, 92906411), (221, 92065629), (403, 50487603), (527, 38608167), (573, 35508733), (663, 30688543), (923, 22043883), (949, 21439941), (1207, 16857087), (1209, 16829201), (1241, 16395249), (1581, 12869389), (2201, 9244209), (2263, 8990943), (2483, 8194323), (2769, 7347961), (2847, 7146647), (3247, 6266247), (3621, 5619029), (3723, 5465083), (5183, 3925623), (5921, 3436329), (6603, 3081403), (6789, 2996981), (6851, 2969859), (7449, 2731441), (9741, 2088749), (13561, 1500369), (13943, 1459263), (15549, 1308541), (15691, 1296699), (16133, 1261173), (17763, 1145443), (20553, 989953), (28613, 711093), (29419, 691611), (37417, 543777), (38471, 528879), (40683, 500123), (41829, 486421), (42211, 482019), (47073, 432233), (48399, 420391), (67379, 301971), (76973, 264333), (85839, 237031), (88111, 230919), (88257, 230537), (100657, 202137), (112251, 181259), (115413, 176293), (126633, 160673)]