20521464210

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{649619}}^1$

素因数の和:649654

約数の個数: 96

約数和(自身を含む): 59588343360

約数和(自身を除く): 39066879150

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 243, 270, 351, 390, 405, 486, 585, 702, 810, 1053, 1170, 1215, 1755, 2106, 2430, 3159, 3510, 5265, 6318, 10530, 15795, 31590, 649619, 1299238, 1948857, 3248095, 3897714, 5846571, 6496190, 8445047, 9744285, 11693142, 16890094, 17539713, 19488570, 25335141, 29232855, 35079426, 42225235, 50670282, 52619139, 58465710, 76005423, 84450470, 87698565, 105238278, 126675705, 152010846, 157857417, 175397130, 228016269, 253351410, 263095695, 315714834, 380027115, 456032538, 526191390, 684048807, 760054230, 789287085, 1140081345, 1368097614, 1578574170, 2052146421, 2280162690, 3420244035, 4104292842, 6840488070, 10260732105, 20521464210]

約数ペア:

[(1, 20521464210), (2, 10260732105), (3, 6840488070), (5, 4104292842), (6, 3420244035), (9, 2280162690), (10, 2052146421), (13, 1578574170), (15, 1368097614), (18, 1140081345), (26, 789287085), (27, 760054230), (30, 684048807), (39, 526191390), (45, 456032538), (54, 380027115), (65, 315714834), (78, 263095695), (81, 253351410), (90, 228016269), (117, 175397130), (130, 157857417), (135, 152010846), (162, 126675705), (195, 105238278), (234, 87698565), (243, 84450470), (270, 76005423), (351, 58465710), (390, 52619139), (405, 50670282), (486, 42225235), (585, 35079426), (702, 29232855), (810, 25335141), (1053, 19488570), (1170, 17539713), (1215, 16890094), (1755, 11693142), (2106, 9744285), (2430, 8445047), (3159, 6496190), (3510, 5846571), (5265, 3897714), (6318, 3248095), (10530, 1948857), (15795, 1299238), (31590, 649619)]