20121448294

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:893

約数の個数: 64

約数和(自身を含む): 32844860928

約数和(自身を除く): 12723412634

約数列:

[1, 2, 23, 43, 46, 73, 86, 146, 331, 421, 662, 842, 989, 1679, 1978, 3139, 3358, 6278, 7613, 9683, 14233, 15226, 18103, 19366, 24163, 28466, 30733, 36206, 48326, 61466, 72197, 139351, 144394, 278702, 327359, 416369, 555749, 654718, 706859, 832738, 1039009, 1111498, 1321519, 1413718, 2078018, 2643038, 3205073, 5992093, 6410146, 10172623, 11984186, 20345246, 23897207, 30394937, 47794414, 60789874, 137818139, 233970329, 275636278, 437422789, 467940658, 874845578, 10060724147, 20121448294]

約数ペア:

[(1, 20121448294), (2, 10060724147), (23, 874845578), (43, 467940658), (46, 437422789), (73, 275636278), (86, 233970329), (146, 137818139), (331, 60789874), (421, 47794414), (662, 30394937), (842, 23897207), (989, 20345246), (1679, 11984186), (1978, 10172623), (3139, 6410146), (3358, 5992093), (6278, 3205073), (7613, 2643038), (9683, 2078018), (14233, 1413718), (15226, 1321519), (18103, 1111498), (19366, 1039009), (24163, 832738), (28466, 706859), (30733, 654718), (36206, 555749), (48326, 416369), (61466, 327359), (72197, 278702), (139351, 144394)]