19840920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15031}}^1$

素因数の和:15056

約数の個数: 64

約数和(自身を含む): 64938240

約数和(自身を除く): 45097320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15031, 30062, 45093, 60124, 75155, 90186, 120248, 150310, 165341, 180372, 225465, 300620, 330682, 360744, 450930, 496023, 601240, 661364, 826705, 901860, 992046, 1322728, 1653410, 1803720, 1984092, 2480115, 3306820, 3968184, 4960230, 6613640, 9920460, 19840920]

約数ペア:

[(1, 19840920), (2, 9920460), (3, 6613640), (4, 4960230), (5, 3968184), (6, 3306820), (8, 2480115), (10, 1984092), (11, 1803720), (12, 1653410), (15, 1322728), (20, 992046), (22, 901860), (24, 826705), (30, 661364), (33, 601240), (40, 496023), (44, 450930), (55, 360744), (60, 330682), (66, 300620), (88, 225465), (110, 180372), (120, 165341), (132, 150310), (165, 120248), (220, 90186), (264, 75155), (330, 60124), (440, 45093), (660, 30062), (1320, 15031)]