20449338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 52563456

約数和(自身を除く): 32114118

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 43, 67, 78, 86, 91, 129, 134, 169, 182, 201, 258, 273, 301, 338, 402, 469, 507, 546, 559, 602, 871, 903, 938, 1014, 1118, 1183, 1407, 1677, 1742, 1806, 2366, 2613, 2814, 2881, 3354, 3549, 3913, 5226, 5762, 6097, 7098, 7267, 7826, 8643, 11323, 11739, 12194, 14534, 17286, 18291, 20167, 21801, 22646, 23478, 33969, 36582, 37453, 40334, 43602, 50869, 60501, 67938, 74906, 79261, 101738, 112359, 121002, 152607, 158522, 224718, 237783, 262171, 305214, 475566, 486889, 524342, 786513, 973778, 1460667, 1573026, 2921334, 3408223, 6816446, 10224669, 20449338]

約数ペア:

[(1, 20449338), (2, 10224669), (3, 6816446), (6, 3408223), (7, 2921334), (13, 1573026), (14, 1460667), (21, 973778), (26, 786513), (39, 524342), (42, 486889), (43, 475566), (67, 305214), (78, 262171), (86, 237783), (91, 224718), (129, 158522), (134, 152607), (169, 121002), (182, 112359), (201, 101738), (258, 79261), (273, 74906), (301, 67938), (338, 60501), (402, 50869), (469, 43602), (507, 40334), (546, 37453), (559, 36582), (602, 33969), (871, 23478), (903, 22646), (938, 21801), (1014, 20167), (1118, 18291), (1183, 17286), (1407, 14534), (1677, 12194), (1742, 11739), (1806, 11323), (2366, 8643), (2613, 7826), (2814, 7267), (2881, 7098), (3354, 6097), (3549, 5762), (3913, 5226)]