20888957355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{64781}}^1$

素因数の和:64916

約数の個数: 64

約数和(自身を含む): 39702555648

約数和(自身を除く): 18813598293

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 83, 105, 111, 185, 249, 259, 415, 555, 581, 777, 1245, 1295, 1743, 2905, 3071, 3885, 8715, 9213, 15355, 21497, 46065, 64491, 64781, 107485, 194343, 322455, 323905, 453467, 971715, 1360401, 2267335, 2396897, 5376823, 6802005, 7190691, 11984485, 16130469, 16778279, 26884115, 35953455, 37637761, 50334837, 80652345, 83891395, 112913283, 188188805, 198942451, 251674185, 564566415, 596827353, 994712255, 1392597157, 2984136765, 4177791471, 6962985785, 20888957355]

約数ペア:

[(1, 20888957355), (3, 6962985785), (5, 4177791471), (7, 2984136765), (15, 1392597157), (21, 994712255), (35, 596827353), (37, 564566415), (83, 251674185), (105, 198942451), (111, 188188805), (185, 112913283), (249, 83891395), (259, 80652345), (415, 50334837), (555, 37637761), (581, 35953455), (777, 26884115), (1245, 16778279), (1295, 16130469), (1743, 11984485), (2905, 7190691), (3071, 6802005), (3885, 5376823), (8715, 2396897), (9213, 2267335), (15355, 1360401), (21497, 971715), (46065, 453467), (64491, 323905), (64781, 322455), (107485, 194343)]