20946673420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1432741}}^1$

素因数の和:1432810

約数の個数: 48

約数和(自身を含む): 47658729888

約数和(自身を除く): 26712056468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 1432741, 2865482, 5730964, 7163705, 14327410, 24356597, 28654820, 48713194, 61607863, 97426388, 121782985, 123215726, 243565970, 246431452, 308039315, 487131940, 616078630, 1047333671, 1232157260, 2094667342, 4189334684, 5236668355, 10473336710, 20946673420]

約数ペア:

[(1, 20946673420), (2, 10473336710), (4, 5236668355), (5, 4189334684), (10, 2094667342), (17, 1232157260), (20, 1047333671), (34, 616078630), (43, 487131940), (68, 308039315), (85, 246431452), (86, 243565970), (170, 123215726), (172, 121782985), (215, 97426388), (340, 61607863), (430, 48713194), (731, 28654820), (860, 24356597), (1462, 14327410), (2924, 7163705), (3655, 5730964), (7310, 2865482), (14620, 1432741)]