20120759766

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:507

約数の個数: 144

約数和(自身を含む): 47283844608

約数和(自身を除く): 27163084842

約数列:

[1, 2, 3, 6, 9, 18, 23, 37, 46, 69, 74, 111, 131, 138, 207, 222, 262, 271, 333, 393, 414, 542, 666, 786, 813, 851, 1179, 1369, 1626, 1702, 2358, 2439, 2553, 2738, 3013, 4107, 4847, 4878, 5106, 6026, 6233, 7659, 8214, 9039, 9694, 10027, 12321, 12466, 14541, 15318, 18078, 18699, 20054, 24642, 27117, 29082, 30081, 31487, 35501, 37398, 43623, 54234, 56097, 60162, 62974, 71002, 87246, 90243, 94461, 106503, 111481, 112194, 179339, 180486, 188922, 213006, 222962, 230621, 283383, 319509, 334443, 358678, 370999, 461242, 538017, 566766, 639018, 668886, 691863, 741998, 816523, 1003329, 1076034, 1112997, 1313537, 1383726, 1614051, 1633046, 2006658, 2075589, 2225994, 2449569, 2627074, 3228102, 3338991, 3940611, 4124797, 4151178, 4899138, 6677982, 7348707, 7881222, 8249594, 8532977, 11821833, 12374391, 14697414, 17065954, 23643666, 24748782, 25598931, 30211351, 37123173, 48600869, 51197862, 60422702, 74246346, 76796793, 90634053, 97201738, 145802607, 153593586, 181268106, 271902159, 291605214, 437407821, 543804318, 874815642, 1117819987, 2235639974, 3353459961, 6706919922, 10060379883, 20120759766]

約数ペア:

[(1, 20120759766), (2, 10060379883), (3, 6706919922), (6, 3353459961), (9, 2235639974), (18, 1117819987), (23, 874815642), (37, 543804318), (46, 437407821), (69, 291605214), (74, 271902159), (111, 181268106), (131, 153593586), (138, 145802607), (207, 97201738), (222, 90634053), (262, 76796793), (271, 74246346), (333, 60422702), (393, 51197862), (414, 48600869), (542, 37123173), (666, 30211351), (786, 25598931), (813, 24748782), (851, 23643666), (1179, 17065954), (1369, 14697414), (1626, 12374391), (1702, 11821833), (2358, 8532977), (2439, 8249594), (2553, 7881222), (2738, 7348707), (3013, 6677982), (4107, 4899138), (4847, 4151178), (4878, 4124797), (5106, 3940611), (6026, 3338991), (6233, 3228102), (7659, 2627074), (8214, 2449569), (9039, 2225994), (9694, 2075589), (10027, 2006658), (12321, 1633046), (12466, 1614051), (14541, 1383726), (15318, 1313537), (18078, 1112997), (18699, 1076034), (20054, 1003329), (24642, 816523), (27117, 741998), (29082, 691863), (30081, 668886), (31487, 639018), (35501, 566766), (37398, 538017), (43623, 461242), (54234, 370999), (56097, 358678), (60162, 334443), (62974, 319509), (71002, 283383), (87246, 230621), (90243, 222962), (94461, 213006), (106503, 188922), (111481, 180486), (112194, 179339)]