20218411936

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1\times {\mathrm{1259}}^1$

素因数の和:1782

約数の個数: 96

約数和(自身を含む): 42719140800

約数和(自身を除く): 22500728864

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 76, 122, 152, 244, 304, 433, 488, 608, 866, 976, 1159, 1259, 1732, 1952, 2318, 2518, 3464, 4636, 5036, 6928, 8227, 9272, 10072, 13856, 16454, 18544, 20144, 23921, 26413, 32908, 37088, 40288, 47842, 52826, 65816, 76799, 95684, 105652, 131632, 153598, 191368, 211304, 263264, 307196, 382736, 422608, 501847, 545147, 614392, 765472, 845216, 1003694, 1090294, 1228784, 1459181, 2007388, 2180588, 2457568, 2918362, 4014776, 4361176, 5836724, 8029552, 8722352, 10357793, 11673448, 16059104, 17444704, 20715586, 23346896, 33253967, 41431172, 46693792, 66507934, 82862344, 133015868, 165724688, 266031736, 331449376, 532063472, 631825373, 1064126944, 1263650746, 2527301492, 5054602984, 10109205968, 20218411936]

約数ペア:

[(1, 20218411936), (2, 10109205968), (4, 5054602984), (8, 2527301492), (16, 1263650746), (19, 1064126944), (32, 631825373), (38, 532063472), (61, 331449376), (76, 266031736), (122, 165724688), (152, 133015868), (244, 82862344), (304, 66507934), (433, 46693792), (488, 41431172), (608, 33253967), (866, 23346896), (976, 20715586), (1159, 17444704), (1259, 16059104), (1732, 11673448), (1952, 10357793), (2318, 8722352), (2518, 8029552), (3464, 5836724), (4636, 4361176), (5036, 4014776), (6928, 2918362), (8227, 2457568), (9272, 2180588), (10072, 2007388), (13856, 1459181), (16454, 1228784), (18544, 1090294), (20144, 1003694), (23921, 845216), (26413, 765472), (32908, 614392), (37088, 545147), (40288, 501847), (47842, 422608), (52826, 382736), (65816, 307196), (76799, 263264), (95684, 211304), (105652, 191368), (131632, 153598)]