20651796724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{4201}}^1$

素因数の和:4385

約数の個数: 96

約数和(自身を含む): 42339217536

約数和(自身を除く): 21687420812

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 67, 68, 83, 134, 166, 221, 268, 332, 442, 871, 884, 1079, 1139, 1411, 1742, 2158, 2278, 2822, 3484, 4201, 4316, 4556, 5561, 5644, 8402, 11122, 14807, 16804, 18343, 22244, 29614, 36686, 54613, 59228, 71417, 72293, 73372, 94537, 109226, 142834, 144586, 189074, 218452, 281467, 285668, 289172, 348683, 378148, 562934, 697366, 928421, 1125868, 1228981, 1394732, 1856842, 2457962, 3659071, 3713684, 4532879, 4784939, 4915924, 5927611, 7318142, 9065758, 9569878, 11855222, 14636284, 18131516, 19139756, 23361761, 23710444, 46723522, 62204207, 77058943, 93447044, 124408414, 154117886, 248816828, 303702893, 308235772, 397149937, 607405786, 794299874, 1214811572, 1588599748, 5162949181, 10325898362, 20651796724]

約数ペア:

[(1, 20651796724), (2, 10325898362), (4, 5162949181), (13, 1588599748), (17, 1214811572), (26, 794299874), (34, 607405786), (52, 397149937), (67, 308235772), (68, 303702893), (83, 248816828), (134, 154117886), (166, 124408414), (221, 93447044), (268, 77058943), (332, 62204207), (442, 46723522), (871, 23710444), (884, 23361761), (1079, 19139756), (1139, 18131516), (1411, 14636284), (1742, 11855222), (2158, 9569878), (2278, 9065758), (2822, 7318142), (3484, 5927611), (4201, 4915924), (4316, 4784939), (4556, 4532879), (5561, 3713684), (5644, 3659071), (8402, 2457962), (11122, 1856842), (14807, 1394732), (16804, 1228981), (18343, 1125868), (22244, 928421), (29614, 697366), (36686, 562934), (54613, 378148), (59228, 348683), (71417, 289172), (72293, 285668), (73372, 281467), (94537, 218452), (109226, 189074), (142834, 144586)]