20888935770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{393611}}^1$

素因数の和:393711

約数の個数: 64

約数和(自身を含む): 52712519040

約数和(自身を除く): 31823583270

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 61, 87, 122, 145, 174, 183, 290, 305, 366, 435, 610, 870, 915, 1769, 1830, 3538, 5307, 8845, 10614, 17690, 26535, 53070, 393611, 787222, 1180833, 1968055, 2361666, 3936110, 5904165, 11414719, 11808330, 22829438, 24010271, 34244157, 48020542, 57073595, 68488314, 72030813, 114147190, 120051355, 144061626, 171220785, 240102710, 342441570, 360154065, 696297859, 720308130, 1392595718, 2088893577, 3481489295, 4177787154, 6962978590, 10444467885, 20888935770]

約数ペア:

[(1, 20888935770), (2, 10444467885), (3, 6962978590), (5, 4177787154), (6, 3481489295), (10, 2088893577), (15, 1392595718), (29, 720308130), (30, 696297859), (58, 360154065), (61, 342441570), (87, 240102710), (122, 171220785), (145, 144061626), (174, 120051355), (183, 114147190), (290, 72030813), (305, 68488314), (366, 57073595), (435, 48020542), (610, 34244157), (870, 24010271), (915, 22829438), (1769, 11808330), (1830, 11414719), (3538, 5904165), (5307, 3936110), (8845, 2361666), (10614, 1968055), (17690, 1180833), (26535, 787222), (53070, 393611)]