20161749088

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{1567}}^1$

素因数の和:1944

約数の個数: 96

約数和(自身を含む): 43265021184

約数和(自身を除く): 23103272096

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 157, 197, 208, 314, 394, 416, 628, 788, 1256, 1567, 1576, 2041, 2512, 2561, 3134, 3152, 4082, 5024, 5122, 6268, 6304, 8164, 10244, 12536, 16328, 20371, 20488, 25072, 30929, 32656, 40742, 40976, 50144, 61858, 65312, 81484, 81952, 123716, 162968, 246019, 247432, 308699, 325936, 402077, 492038, 494864, 617398, 651872, 804154, 984076, 989728, 1234796, 1608308, 1968152, 2469592, 3198247, 3216616, 3936304, 4013087, 4939184, 6396494, 6433232, 7872608, 8026174, 9878368, 12792988, 12866464, 16052348, 25585976, 32104696, 48465743, 51171952, 64209392, 96931486, 102343904, 128418784, 193862972, 387725944, 630054659, 775451888, 1260109318, 1550903776, 2520218636, 5040437272, 10080874544, 20161749088]

約数ペア:

[(1, 20161749088), (2, 10080874544), (4, 5040437272), (8, 2520218636), (13, 1550903776), (16, 1260109318), (26, 775451888), (32, 630054659), (52, 387725944), (104, 193862972), (157, 128418784), (197, 102343904), (208, 96931486), (314, 64209392), (394, 51171952), (416, 48465743), (628, 32104696), (788, 25585976), (1256, 16052348), (1567, 12866464), (1576, 12792988), (2041, 9878368), (2512, 8026174), (2561, 7872608), (3134, 6433232), (3152, 6396494), (4082, 4939184), (5024, 4013087), (5122, 3936304), (6268, 3216616), (6304, 3198247), (8164, 2469592), (10244, 1968152), (12536, 1608308), (16328, 1234796), (20371, 989728), (20488, 984076), (25072, 804154), (30929, 651872), (32656, 617398), (40742, 494864), (40976, 492038), (50144, 402077), (61858, 325936), (65312, 308699), (81484, 247432), (81952, 246019), (123716, 162968)]