20508179456

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{5087}}^1$

素因数の和:5265

約数の個数: 88

約数和(自身を含む): 42660397056

約数和(自身を除く): 22152217600

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 248, 254, 256, 496, 508, 512, 992, 1016, 1024, 1984, 2032, 3937, 3968, 4064, 5087, 7874, 7936, 8128, 10174, 15748, 15872, 16256, 20348, 31496, 31744, 32512, 40696, 62992, 65024, 81392, 125984, 130048, 157697, 162784, 251968, 315394, 325568, 503936, 630788, 646049, 651136, 1007872, 1261576, 1292098, 1302272, 2015744, 2523152, 2584196, 2604544, 4031488, 5046304, 5168392, 5209088, 10092608, 10336784, 20027519, 20185216, 20673568, 40055038, 40370432, 41347136, 80110076, 80740864, 82694272, 160220152, 161481728, 165388544, 320440304, 330777088, 640880608, 661554176, 1281761216, 2563522432, 5127044864, 10254089728, 20508179456]

約数ペア:

[(1, 20508179456), (2, 10254089728), (4, 5127044864), (8, 2563522432), (16, 1281761216), (31, 661554176), (32, 640880608), (62, 330777088), (64, 320440304), (124, 165388544), (127, 161481728), (128, 160220152), (248, 82694272), (254, 80740864), (256, 80110076), (496, 41347136), (508, 40370432), (512, 40055038), (992, 20673568), (1016, 20185216), (1024, 20027519), (1984, 10336784), (2032, 10092608), (3937, 5209088), (3968, 5168392), (4064, 5046304), (5087, 4031488), (7874, 2604544), (7936, 2584196), (8128, 2523152), (10174, 2015744), (15748, 1302272), (15872, 1292098), (16256, 1261576), (20348, 1007872), (31496, 651136), (31744, 646049), (32512, 630788), (40696, 503936), (62992, 325568), (65024, 315394), (81392, 251968), (125984, 162784), (130048, 157697)]