20456400120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13113077}}^1$

素因数の和:13113104

約数の個数: 64

約数和(自身を含む): 66089913120

約数和(自身を除く): 45633513000

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, 13113077, 26226154, 39339231, 52452308, 65565385, 78678462, 104904616, 131130770, 157356924, 170470001, 196696155, 262261540, 314713848, 340940002, 393392310, 511410003, 524523080, 681880004, 786784620, 852350005, 1022820006, 1363760008, 1573569240, 1704700010, 2045640012, 2557050015, 3409400020, 4091280024, 5114100030, 6818800040, 10228200060, 20456400120]

約数ペア:

[(1, 20456400120), (2, 10228200060), (3, 6818800040), (4, 5114100030), (5, 4091280024), (6, 3409400020), (8, 2557050015), (10, 2045640012), (12, 1704700010), (13, 1573569240), (15, 1363760008), (20, 1022820006), (24, 852350005), (26, 786784620), (30, 681880004), (39, 524523080), (40, 511410003), (52, 393392310), (60, 340940002), (65, 314713848), (78, 262261540), (104, 196696155), (120, 170470001), (130, 157356924), (156, 131130770), (195, 104904616), (260, 78678462), (312, 65565385), (390, 52452308), (520, 39339231), (780, 26226154), (1560, 13113077)]