20233984160

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{61961}}^1$

素因数の和:62146

約数の個数: 96

約数和(自身を含む): 51808658832

約数和(自身を除く): 31574674672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 157, 160, 208, 260, 314, 416, 520, 628, 785, 1040, 1256, 1570, 2041, 2080, 2512, 3140, 4082, 5024, 6280, 8164, 10205, 12560, 16328, 20410, 25120, 32656, 40820, 61961, 65312, 81640, 123922, 163280, 247844, 309805, 326560, 495688, 619610, 805493, 991376, 1239220, 1610986, 1982752, 2478440, 3221972, 4027465, 4956880, 6443944, 8054930, 9727877, 9913760, 12887888, 16109860, 19455754, 25775776, 32219720, 38911508, 48639385, 64439440, 77823016, 97278770, 126462401, 128878880, 155646032, 194557540, 252924802, 311292064, 389115080, 505849604, 632312005, 778230160, 1011699208, 1264624010, 1556460320, 2023398416, 2529248020, 4046796832, 5058496040, 10116992080, 20233984160]

約数ペア:

[(1, 20233984160), (2, 10116992080), (4, 5058496040), (5, 4046796832), (8, 2529248020), (10, 2023398416), (13, 1556460320), (16, 1264624010), (20, 1011699208), (26, 778230160), (32, 632312005), (40, 505849604), (52, 389115080), (65, 311292064), (80, 252924802), (104, 194557540), (130, 155646032), (157, 128878880), (160, 126462401), (208, 97278770), (260, 77823016), (314, 64439440), (416, 48639385), (520, 38911508), (628, 32219720), (785, 25775776), (1040, 19455754), (1256, 16109860), (1570, 12887888), (2041, 9913760), (2080, 9727877), (2512, 8054930), (3140, 6443944), (4082, 4956880), (5024, 4027465), (6280, 3221972), (8164, 2478440), (10205, 1982752), (12560, 1610986), (16328, 1239220), (20410, 991376), (25120, 805493), (32656, 619610), (40820, 495688), (61961, 326560), (65312, 309805), (81640, 247844), (123922, 163280)]