19923960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23719}}^1$

素因数の和:23740

約数の個数: 64

約数和(自身を含む): 68313600

約数和(自身を除く): 48389640

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, 23719, 47438, 71157, 94876, 118595, 142314, 166033, 189752, 237190, 284628, 332066, 355785, 474380, 498099, 569256, 664132, 711570, 830165, 948760, 996198, 1328264, 1423140, 1660330, 1992396, 2490495, 2846280, 3320660, 3984792, 4980990, 6641320, 9961980, 19923960]

約数ペア:

[(1, 19923960), (2, 9961980), (3, 6641320), (4, 4980990), (5, 3984792), (6, 3320660), (7, 2846280), (8, 2490495), (10, 1992396), (12, 1660330), (14, 1423140), (15, 1328264), (20, 996198), (21, 948760), (24, 830165), (28, 711570), (30, 664132), (35, 569256), (40, 498099), (42, 474380), (56, 355785), (60, 332066), (70, 284628), (84, 237190), (105, 189752), (120, 166033), (140, 142314), (168, 118595), (210, 94876), (280, 71157), (420, 47438), (840, 23719)]