20156547040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{877}}^1\times {\mathrm{20521}}^1$

素因数の和:21420

約数の個数: 96

約数和(自身を含む): 54487387584

約数和(自身を除く): 34330840544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 877, 1120, 1754, 3508, 4385, 6139, 7016, 8770, 12278, 14032, 17540, 20521, 24556, 28064, 30695, 35080, 41042, 49112, 61390, 70160, 82084, 98224, 102605, 122780, 140320, 143647, 164168, 196448, 205210, 245560, 287294, 328336, 410420, 491120, 574588, 656672, 718235, 820840, 982240, 1149176, 1436470, 1641680, 2298352, 2872940, 3283360, 4596704, 5745880, 11491760, 17996917, 22983520, 35993834, 71987668, 89984585, 125978419, 143975336, 179969170, 251956838, 287950672, 359938340, 503913676, 575901344, 629892095, 719876680, 1007827352, 1259784190, 1439753360, 2015654704, 2519568380, 2879506720, 4031309408, 5039136760, 10078273520, 20156547040]

約数ペア:

[(1, 20156547040), (2, 10078273520), (4, 5039136760), (5, 4031309408), (7, 2879506720), (8, 2519568380), (10, 2015654704), (14, 1439753360), (16, 1259784190), (20, 1007827352), (28, 719876680), (32, 629892095), (35, 575901344), (40, 503913676), (56, 359938340), (70, 287950672), (80, 251956838), (112, 179969170), (140, 143975336), (160, 125978419), (224, 89984585), (280, 71987668), (560, 35993834), (877, 22983520), (1120, 17996917), (1754, 11491760), (3508, 5745880), (4385, 4596704), (6139, 3283360), (7016, 2872940), (8770, 2298352), (12278, 1641680), (14032, 1436470), (17540, 1149176), (20521, 982240), (24556, 820840), (28064, 718235), (30695, 656672), (35080, 574588), (41042, 491120), (49112, 410420), (61390, 328336), (70160, 287294), (82084, 245560), (98224, 205210), (102605, 196448), (122780, 164168), (140320, 143647)]