20218661652

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{2129}}^1$

素因数の和:2702

約数の個数: 144

約数和(自身を含む): 56784913920

約数和(自身を除く): 36566252268

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 521, 588, 651, 868, 1042, 1302, 1519, 1563, 2084, 2129, 2604, 3038, 3126, 3647, 4258, 4557, 6076, 6252, 6387, 7294, 8516, 9114, 10941, 12774, 14588, 14903, 16151, 18228, 21882, 25529, 25548, 29806, 32302, 43764, 44709, 48453, 51058, 59612, 64604, 65999, 76587, 89418, 96906, 102116, 104321, 113057, 131998, 153174, 178836, 193812, 197997, 208642, 226114, 263996, 306348, 312963, 339171, 395994, 417284, 452228, 461993, 625926, 678342, 791399, 791988, 923986, 1109209, 1251852, 1356684, 1385979, 1582798, 1847972, 2218418, 2374197, 2771958, 3165596, 3233951, 3327627, 4436836, 4748394, 5543916, 6467902, 6655254, 7764463, 9496788, 9701853, 12935804, 13310508, 15528926, 19403706, 23293389, 31057852, 34385479, 38807412, 46586778, 54351241, 68770958, 93173556, 103156437, 108702482, 137541916, 163053723, 206312874, 217404964, 240698353, 326107446, 412625748, 481396706, 652214892, 722095059, 962793412, 1444190118, 1684888471, 2888380236, 3369776942, 5054665413, 6739553884, 10109330826, 20218661652]

約数ペア:

[(1, 20218661652), (2, 10109330826), (3, 6739553884), (4, 5054665413), (6, 3369776942), (7, 2888380236), (12, 1684888471), (14, 1444190118), (21, 962793412), (28, 722095059), (31, 652214892), (42, 481396706), (49, 412625748), (62, 326107446), (84, 240698353), (93, 217404964), (98, 206312874), (124, 163053723), (147, 137541916), (186, 108702482), (196, 103156437), (217, 93173556), (294, 68770958), (372, 54351241), (434, 46586778), (521, 38807412), (588, 34385479), (651, 31057852), (868, 23293389), (1042, 19403706), (1302, 15528926), (1519, 13310508), (1563, 12935804), (2084, 9701853), (2129, 9496788), (2604, 7764463), (3038, 6655254), (3126, 6467902), (3647, 5543916), (4258, 4748394), (4557, 4436836), (6076, 3327627), (6252, 3233951), (6387, 3165596), (7294, 2771958), (8516, 2374197), (9114, 2218418), (10941, 1847972), (12774, 1582798), (14588, 1385979), (14903, 1356684), (16151, 1251852), (18228, 1109209), (21882, 923986), (25529, 791988), (25548, 791399), (29806, 678342), (32302, 625926), (43764, 461993), (44709, 452228), (48453, 417284), (51058, 395994), (59612, 339171), (64604, 312963), (65999, 306348), (76587, 263996), (89418, 226114), (96906, 208642), (102116, 197997), (104321, 193812), (113057, 178836), (131998, 153174)]