20046208

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1721}}^1$

素因数の和:1755

約数の個数: 64

約数和(自身を含む): 49180320

約数和(自身を除く): 29134112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 1721, 2912, 3442, 5824, 6884, 11648, 12047, 13768, 22373, 24094, 27536, 44746, 48188, 55072, 89492, 96376, 110144, 156611, 178984, 192752, 220288, 313222, 357968, 385504, 626444, 715936, 771008, 1252888, 1431872, 1542016, 2505776, 2863744, 5011552, 10023104, 20046208]

約数ペア:

[(1, 20046208), (2, 10023104), (4, 5011552), (7, 2863744), (8, 2505776), (13, 1542016), (14, 1431872), (16, 1252888), (26, 771008), (28, 715936), (32, 626444), (52, 385504), (56, 357968), (64, 313222), (91, 220288), (104, 192752), (112, 178984), (128, 156611), (182, 110144), (208, 96376), (224, 89492), (364, 55072), (416, 48188), (448, 44746), (728, 27536), (832, 24094), (896, 22373), (1456, 13768), (1664, 12047), (1721, 11648), (2912, 6884), (3442, 5824)]