20162896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 44997120

約数和(自身を除く): 24834224

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 53, 59, 62, 104, 106, 118, 124, 208, 212, 236, 248, 403, 424, 472, 496, 689, 767, 806, 848, 944, 1378, 1534, 1612, 1643, 1829, 2756, 3068, 3127, 3224, 3286, 3658, 5512, 6136, 6254, 6448, 6572, 7316, 11024, 12272, 12508, 13144, 14632, 21359, 23777, 25016, 26288, 29264, 40651, 42718, 47554, 50032, 81302, 85436, 95108, 96937, 162604, 170872, 190216, 193874, 325208, 341744, 380432, 387748, 650416, 775496, 1260181, 1550992, 2520362, 5040724, 10081448, 20162896]

約数ペア:

[(1, 20162896), (2, 10081448), (4, 5040724), (8, 2520362), (13, 1550992), (16, 1260181), (26, 775496), (31, 650416), (52, 387748), (53, 380432), (59, 341744), (62, 325208), (104, 193874), (106, 190216), (118, 170872), (124, 162604), (208, 96937), (212, 95108), (236, 85436), (248, 81302), (403, 50032), (424, 47554), (472, 42718), (496, 40651), (689, 29264), (767, 26288), (806, 25016), (848, 23777), (944, 21359), (1378, 14632), (1534, 13144), (1612, 12508), (1643, 12272), (1829, 11024), (2756, 7316), (3068, 6572), (3127, 6448), (3224, 6254), (3286, 6136), (3658, 5512)]