19944120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23743}}^1$

素因数の和:23764

約数の個数: 64

約数和(自身を含む): 68382720

約数和(自身を除く): 48438600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23743, 47486, 71229, 94972, 118715, 142458, 166201, 189944, 237430, 284916, 332402, 356145, 474860, 498603, 569832, 664804, 712290, 831005, 949720, 997206, 1329608, 1424580, 1662010, 1994412, 2493015, 2849160, 3324020, 3988824, 4986030, 6648040, 9972060, 19944120]

約数ペア:

[(1, 19944120), (2, 9972060), (3, 6648040), (4, 4986030), (5, 3988824), (6, 3324020), (7, 2849160), (8, 2493015), (10, 1994412), (12, 1662010), (14, 1424580), (15, 1329608), (20, 997206), (21, 949720), (24, 831005), (28, 712290), (30, 664804), (35, 569832), (40, 498603), (42, 474860), (56, 356145), (60, 332402), (70, 284916), (84, 237430), (105, 189944), (120, 166201), (140, 142458), (168, 118715), (210, 94972), (280, 71229), (420, 47486), (840, 23743)]