20448576

素因数分解:

$2^6\times 3^2\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:420

約数の個数: 84

約数和(自身を含む): 59277504

約数和(自身を除く): 38828928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 131, 144, 192, 262, 271, 288, 393, 524, 542, 576, 786, 813, 1048, 1084, 1179, 1572, 1626, 2096, 2168, 2358, 2439, 3144, 3252, 4192, 4336, 4716, 4878, 6288, 6504, 8384, 8672, 9432, 9756, 12576, 13008, 17344, 18864, 19512, 25152, 26016, 35501, 37728, 39024, 52032, 71002, 75456, 78048, 106503, 142004, 156096, 213006, 284008, 319509, 426012, 568016, 639018, 852024, 1136032, 1278036, 1704048, 2272064, 2556072, 3408096, 5112144, 6816192, 10224288, 20448576]

約数ペア:

[(1, 20448576), (2, 10224288), (3, 6816192), (4, 5112144), (6, 3408096), (8, 2556072), (9, 2272064), (12, 1704048), (16, 1278036), (18, 1136032), (24, 852024), (32, 639018), (36, 568016), (48, 426012), (64, 319509), (72, 284008), (96, 213006), (131, 156096), (144, 142004), (192, 106503), (262, 78048), (271, 75456), (288, 71002), (393, 52032), (524, 39024), (542, 37728), (576, 35501), (786, 26016), (813, 25152), (1048, 19512), (1084, 18864), (1179, 17344), (1572, 13008), (1626, 12576), (2096, 9756), (2168, 9432), (2358, 8672), (2439, 8384), (3144, 6504), (3252, 6288), (4192, 4878), (4336, 4716)]