20601945

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 120

約数和(自身を含む): 46766016

約数和(自身を除く): 26164071

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 43, 45, 63, 65, 81, 91, 105, 117, 129, 135, 169, 189, 195, 215, 273, 301, 315, 351, 387, 405, 455, 507, 559, 567, 585, 645, 819, 845, 903, 945, 1053, 1161, 1183, 1365, 1505, 1521, 1677, 1755, 1935, 2457, 2535, 2709, 2795, 2835, 3483, 3549, 3913, 4095, 4515, 4563, 5031, 5265, 5805, 5915, 7267, 7371, 7605, 8127, 8385, 10647, 11739, 12285, 13545, 13689, 15093, 17415, 17745, 19565, 21801, 22815, 24381, 25155, 31941, 35217, 36335, 36855, 40635, 45279, 50869, 53235, 58695, 65403, 68445, 75465, 95823, 105651, 109005, 121905, 152607, 159705, 176085, 196209, 226395, 254345, 316953, 327015, 457821, 479115, 528255, 588627, 763035, 981045, 1373463, 1584765, 2289105, 2943135, 4120389, 6867315, 20601945]

約数ペア:

[(1, 20601945), (3, 6867315), (5, 4120389), (7, 2943135), (9, 2289105), (13, 1584765), (15, 1373463), (21, 981045), (27, 763035), (35, 588627), (39, 528255), (43, 479115), (45, 457821), (63, 327015), (65, 316953), (81, 254345), (91, 226395), (105, 196209), (117, 176085), (129, 159705), (135, 152607), (169, 121905), (189, 109005), (195, 105651), (215, 95823), (273, 75465), (301, 68445), (315, 65403), (351, 58695), (387, 53235), (405, 50869), (455, 45279), (507, 40635), (559, 36855), (567, 36335), (585, 35217), (645, 31941), (819, 25155), (845, 24381), (903, 22815), (945, 21801), (1053, 19565), (1161, 17745), (1183, 17415), (1365, 15093), (1505, 13689), (1521, 13545), (1677, 12285), (1755, 11739), (1935, 10647), (2457, 8385), (2535, 8127), (2709, 7605), (2795, 7371), (2835, 7267), (3483, 5915), (3549, 5805), (3913, 5265), (4095, 5031), (4515, 4563)]