20822040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57839}}^1$

素因数の和:57856

約数の個数: 48

約数和(自身を含む): 67672800

約数和(自身を除く): 46850760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57839, 115678, 173517, 231356, 289195, 347034, 462712, 520551, 578390, 694068, 867585, 1041102, 1156780, 1388136, 1735170, 2082204, 2313560, 2602755, 3470340, 4164408, 5205510, 6940680, 10411020, 20822040]

約数ペア:

[(1, 20822040), (2, 10411020), (3, 6940680), (4, 5205510), (5, 4164408), (6, 3470340), (8, 2602755), (9, 2313560), (10, 2082204), (12, 1735170), (15, 1388136), (18, 1156780), (20, 1041102), (24, 867585), (30, 694068), (36, 578390), (40, 520551), (45, 462712), (60, 347034), (72, 289195), (90, 231356), (120, 173517), (180, 115678), (360, 57839)]