20951424

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1432

約数の個数: 96

約数和(自身を含む): 64974000

約数和(自身を除く): 44022576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 288, 312, 384, 416, 468, 576, 624, 832, 936, 1152, 1248, 1399, 1664, 1872, 2496, 2798, 3744, 4197, 4992, 5596, 7488, 8394, 11192, 12591, 14976, 16788, 18187, 22384, 25182, 33576, 36374, 44768, 50364, 54561, 67152, 72748, 89536, 100728, 109122, 134304, 145496, 163683, 179072, 201456, 218244, 268608, 290992, 327366, 402912, 436488, 537216, 581984, 654732, 805824, 872976, 1163968, 1309464, 1611648, 1745952, 2327936, 2618928, 3491904, 5237856, 6983808, 10475712, 20951424]

約数ペア:

[(1, 20951424), (2, 10475712), (3, 6983808), (4, 5237856), (6, 3491904), (8, 2618928), (9, 2327936), (12, 1745952), (13, 1611648), (16, 1309464), (18, 1163968), (24, 872976), (26, 805824), (32, 654732), (36, 581984), (39, 537216), (48, 436488), (52, 402912), (64, 327366), (72, 290992), (78, 268608), (96, 218244), (104, 201456), (117, 179072), (128, 163683), (144, 145496), (156, 134304), (192, 109122), (208, 100728), (234, 89536), (288, 72748), (312, 67152), (384, 54561), (416, 50364), (468, 44768), (576, 36374), (624, 33576), (832, 25182), (936, 22384), (1152, 18187), (1248, 16788), (1399, 14976), (1664, 12591), (1872, 11192), (2496, 8394), (2798, 7488), (3744, 5596), (4197, 4992)]