20213460224

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149827}}^1$

素因数の和:149891

約数の個数: 72

約数和(自身を含む): 44099774208

約数和(自身を除く): 23886313984

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 496, 527, 544, 992, 1054, 1088, 1984, 2108, 2176, 3968, 4216, 4352, 7936, 8432, 16864, 33728, 67456, 134912, 149827, 299654, 599308, 1198616, 2397232, 2547059, 4644637, 4794464, 5094118, 9289274, 9588928, 10188236, 18578548, 19177856, 20376472, 37157096, 38355712, 40752944, 74314192, 78958829, 81505888, 148628384, 157917658, 163011776, 297256768, 315835316, 326023552, 594513536, 631670632, 652047104, 1189027072, 1263341264, 2526682528, 5053365056, 10106730112, 20213460224]

約数ペア:

[(1, 20213460224), (2, 10106730112), (4, 5053365056), (8, 2526682528), (16, 1263341264), (17, 1189027072), (31, 652047104), (32, 631670632), (34, 594513536), (62, 326023552), (64, 315835316), (68, 297256768), (124, 163011776), (128, 157917658), (136, 148628384), (248, 81505888), (256, 78958829), (272, 74314192), (496, 40752944), (527, 38355712), (544, 37157096), (992, 20376472), (1054, 19177856), (1088, 18578548), (1984, 10188236), (2108, 9588928), (2176, 9289274), (3968, 5094118), (4216, 4794464), (4352, 4644637), (7936, 2547059), (8432, 2397232), (16864, 1198616), (33728, 599308), (67456, 299654), (134912, 149827)]