20194373355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{883}}^1\times {\mathrm{6899}}^1$

素因数の和:7820

約数の個数: 64

約数和(自身を含む): 36890380800

約数和(自身を除く): 16696007445

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 883, 1105, 2649, 3315, 4415, 6899, 11479, 13245, 15011, 20697, 34437, 34495, 45033, 57395, 75055, 89687, 103485, 117283, 172185, 195143, 225165, 269061, 351849, 448435, 585429, 586415, 975715, 1345305, 1524679, 1759245, 2927145, 4574037, 6091817, 7623395, 18275451, 22870185, 30459085, 79193621, 91377255, 103560889, 237580863, 310682667, 395968105, 517804445, 1187904315, 1346291557, 1553413335, 4038874671, 6731457785, 20194373355]

約数ペア:

[(1, 20194373355), (3, 6731457785), (5, 4038874671), (13, 1553413335), (15, 1346291557), (17, 1187904315), (39, 517804445), (51, 395968105), (65, 310682667), (85, 237580863), (195, 103560889), (221, 91377255), (255, 79193621), (663, 30459085), (883, 22870185), (1105, 18275451), (2649, 7623395), (3315, 6091817), (4415, 4574037), (6899, 2927145), (11479, 1759245), (13245, 1524679), (15011, 1345305), (20697, 975715), (34437, 586415), (34495, 585429), (45033, 448435), (57395, 351849), (75055, 269061), (89687, 225165), (103485, 195143), (117283, 172185)]