20434440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13099}}^1$

素因数の和:13126

約数の個数: 64

約数和(自身を含む): 66024000

約数和(自身を除く): 45589560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 13099, 26198, 39297, 52396, 65495, 78594, 104792, 130990, 157188, 170287, 196485, 261980, 314376, 340574, 392970, 510861, 523960, 681148, 785940, 851435, 1021722, 1362296, 1571880, 1702870, 2043444, 2554305, 3405740, 4086888, 5108610, 6811480, 10217220, 20434440]

約数ペア:

[(1, 20434440), (2, 10217220), (3, 6811480), (4, 5108610), (5, 4086888), (6, 3405740), (8, 2554305), (10, 2043444), (12, 1702870), (13, 1571880), (15, 1362296), (20, 1021722), (24, 851435), (26, 785940), (30, 681148), (39, 523960), (40, 510861), (52, 392970), (60, 340574), (65, 314376), (78, 261980), (104, 196485), (120, 170287), (130, 157188), (156, 130990), (195, 104792), (260, 78594), (312, 65495), (390, 52396), (520, 39297), (780, 26198), (1560, 13099)]