16202940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20773}}^1$

素因数の和:20798

約数の個数: 48

約数和(自身を含む): 48860448

約数和(自身を除く): 32657508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 20773, 41546, 62319, 83092, 103865, 124638, 207730, 249276, 270049, 311595, 415460, 540098, 623190, 810147, 1080196, 1246380, 1350245, 1620294, 2700490, 3240588, 4050735, 5400980, 8101470, 16202940]

約数ペア:

[(1, 16202940), (2, 8101470), (3, 5400980), (4, 4050735), (5, 3240588), (6, 2700490), (10, 1620294), (12, 1350245), (13, 1246380), (15, 1080196), (20, 810147), (26, 623190), (30, 540098), (39, 415460), (52, 311595), (60, 270049), (65, 249276), (78, 207730), (130, 124638), (156, 103865), (195, 83092), (260, 62319), (390, 41546), (780, 20773)]