About the Number

12989020

12989019 ← → 12989021

2進数表記:110001100011001001011100

漢数字表記:千二百九十八万九千二十

素因数分解:

2 2 × 5 1 × 11 1 × 17 1 × 23 1 × 151 1

素因数の和:211
約数の個数: 96
約数和(自身を含む): 33094656
約数和(自身を除く): 20105636

約数列:
[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 34, 44, 46, 55, 68, 85, 92, 110, 115, 151, 170, 187, 220, 230, 253, 302, 340, 374, 391, 460, 506, 604, 748, 755, 782, 935, 1012, 1265, 1510, 1564, 1661, 1870, 1955, 2530, 2567, 3020, 3322, 3473, 3740, 3910, 4301, 5060, 5134, 6644, 6946, 7820, 8305, 8602, 10268, 12835, 13892, 16610, 17204, 17365, 21505, 25670, 28237, 33220, 34730, 38203, 43010, 51340, 56474, 59041, 69460, 76406, 86020, 112948, 118082, 141185, 152812, 191015, 236164, 282370, 295205, 382030, 564740, 590410, 649451, 764060, 1180820, 1298902, 2597804, 3247255, 6494510, 12989020]

約数ペア:
[(1, 12989020), (2, 6494510), (4, 3247255), (5, 2597804), (10, 1298902), (11, 1180820), (17, 764060), (20, 649451), (22, 590410), (23, 564740), (34, 382030), (44, 295205), (46, 282370), (55, 236164), (68, 191015), (85, 152812), (92, 141185), (110, 118082), (115, 112948), (151, 86020), (170, 76406), (187, 69460), (220, 59041), (230, 56474), (253, 51340), (302, 43010), (340, 38203), (374, 34730), (391, 33220), (460, 28237), (506, 25670), (604, 21505), (748, 17365), (755, 17204), (782, 16610), (935, 13892), (1012, 12835), (1265, 10268), (1510, 8602), (1564, 8305), (1661, 7820), (1870, 6946), (1955, 6644), (2530, 5134), (2567, 5060), (3020, 4301), (3322, 3910), (3473, 3740)]

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