20489415642

素因数分解:

$2^1\times 3^3\times {\mathrm{197}}^1\times {\mathrm{479}}^1\times {\mathrm{4021}}^1$

素因数の和:4708

約数の個数: 64

約数和(自身を含む): 45870105600

約数和(自身を除く): 25380689958

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 197, 394, 479, 591, 958, 1182, 1437, 1773, 2874, 3546, 4021, 4311, 5319, 8042, 8622, 10638, 12063, 12933, 24126, 25866, 36189, 72378, 94363, 108567, 188726, 217134, 283089, 566178, 792137, 849267, 1584274, 1698534, 1926059, 2376411, 2547801, 3852118, 4752822, 5095602, 5778177, 7129233, 11556354, 14258466, 17334531, 21387699, 34669062, 42775398, 52003593, 104007186, 379433623, 758867246, 1138300869, 2276601738, 3414902607, 6829805214, 10244707821, 20489415642]

約数ペア:

[(1, 20489415642), (2, 10244707821), (3, 6829805214), (6, 3414902607), (9, 2276601738), (18, 1138300869), (27, 758867246), (54, 379433623), (197, 104007186), (394, 52003593), (479, 42775398), (591, 34669062), (958, 21387699), (1182, 17334531), (1437, 14258466), (1773, 11556354), (2874, 7129233), (3546, 5778177), (4021, 5095602), (4311, 4752822), (5319, 3852118), (8042, 2547801), (8622, 2376411), (10638, 1926059), (12063, 1698534), (12933, 1584274), (24126, 849267), (25866, 792137), (36189, 566178), (72378, 283089), (94363, 217134), (108567, 188726)]