20686985040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86195771}}^1$

素因数の和:86195787

約数の個数: 40

約数和(自身を含む): 64129654368

約数和(自身を除く): 43442669328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86195771, 172391542, 258587313, 344783084, 430978855, 517174626, 689566168, 861957710, 1034349252, 1292936565, 1379132336, 1723915420, 2068698504, 2585873130, 3447830840, 4137397008, 5171746260, 6895661680, 10343492520, 20686985040]

約数ペア:

[(1, 20686985040), (2, 10343492520), (3, 6895661680), (4, 5171746260), (5, 4137397008), (6, 3447830840), (8, 2585873130), (10, 2068698504), (12, 1723915420), (15, 1379132336), (16, 1292936565), (20, 1034349252), (24, 861957710), (30, 689566168), (40, 517174626), (48, 430978855), (60, 344783084), (80, 258587313), (120, 172391542), (240, 86195771)]