20185566820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{5179}}^1$

素因数の和:5477

約数の個数: 96

約数和(自身を含む): 45635385600

約数和(自身を除く): 25449818780

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 229, 230, 370, 458, 460, 740, 851, 916, 1145, 1702, 2290, 3404, 4255, 4580, 5179, 5267, 8473, 8510, 10358, 10534, 16946, 17020, 20716, 21068, 25895, 26335, 33892, 42365, 51790, 52670, 84730, 103580, 105340, 119117, 169460, 191623, 194879, 238234, 383246, 389758, 476468, 595585, 766492, 779516, 958115, 974395, 1185991, 1191170, 1916230, 1948790, 2371982, 2382340, 3832460, 3897580, 4407329, 4743964, 5929955, 8814658, 11859910, 17629316, 22036645, 23719820, 27277793, 43881667, 44073290, 54555586, 87763334, 88146580, 109111172, 136388965, 175526668, 219408335, 272777930, 438816670, 545555860, 877633340, 1009278341, 2018556682, 4037113364, 5046391705, 10092783410, 20185566820]

約数ペア:

[(1, 20185566820), (2, 10092783410), (4, 5046391705), (5, 4037113364), (10, 2018556682), (20, 1009278341), (23, 877633340), (37, 545555860), (46, 438816670), (74, 272777930), (92, 219408335), (115, 175526668), (148, 136388965), (185, 109111172), (229, 88146580), (230, 87763334), (370, 54555586), (458, 44073290), (460, 43881667), (740, 27277793), (851, 23719820), (916, 22036645), (1145, 17629316), (1702, 11859910), (2290, 8814658), (3404, 5929955), (4255, 4743964), (4580, 4407329), (5179, 3897580), (5267, 3832460), (8473, 2382340), (8510, 2371982), (10358, 1948790), (10534, 1916230), (16946, 1191170), (17020, 1185991), (20716, 974395), (21068, 958115), (25895, 779516), (26335, 766492), (33892, 595585), (42365, 476468), (51790, 389758), (52670, 383246), (84730, 238234), (103580, 194879), (105340, 191623), (119117, 169460)]