20795632

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 48434400

約数和(自身を除く): 27638768

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 61, 88, 104, 122, 143, 149, 176, 208, 244, 286, 298, 488, 572, 596, 671, 793, 976, 1144, 1192, 1342, 1586, 1639, 1937, 2288, 2384, 2684, 3172, 3278, 3874, 5368, 6344, 6556, 7748, 8723, 9089, 10736, 12688, 13112, 15496, 17446, 18178, 21307, 26224, 30992, 34892, 36356, 42614, 69784, 72712, 85228, 99979, 118157, 139568, 145424, 170456, 199958, 236314, 340912, 399916, 472628, 799832, 945256, 1299727, 1599664, 1890512, 2599454, 5198908, 10397816, 20795632]

約数ペア:

[(1, 20795632), (2, 10397816), (4, 5198908), (8, 2599454), (11, 1890512), (13, 1599664), (16, 1299727), (22, 945256), (26, 799832), (44, 472628), (52, 399916), (61, 340912), (88, 236314), (104, 199958), (122, 170456), (143, 145424), (149, 139568), (176, 118157), (208, 99979), (244, 85228), (286, 72712), (298, 69784), (488, 42614), (572, 36356), (596, 34892), (671, 30992), (793, 26224), (976, 21307), (1144, 18178), (1192, 17446), (1342, 15496), (1586, 13112), (1639, 12688), (1937, 10736), (2288, 9089), (2384, 8723), (2684, 7748), (3172, 6556), (3278, 6344), (3874, 5368)]