20189671612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:779

約数の個数: 96

約数和(自身を含む): 39900155904

約数和(自身を除く): 19710484292

約数列:

[1, 2, 4, 11, 22, 44, 71, 73, 142, 146, 223, 284, 292, 397, 446, 781, 794, 803, 892, 1562, 1588, 1606, 2453, 3124, 3212, 4367, 4906, 5183, 8734, 9812, 10366, 15833, 16279, 17468, 20732, 28187, 28981, 31666, 32558, 56374, 57013, 57962, 63332, 65116, 88531, 112748, 114026, 115924, 174163, 177062, 179069, 228052, 310057, 318791, 348326, 354124, 358138, 620114, 637582, 696652, 716276, 973841, 1155809, 1240228, 1275164, 1947682, 2057651, 2311618, 3895364, 4115302, 4623236, 6285701, 6462763, 8230604, 12571402, 12713899, 12925526, 22634161, 25142804, 25427798, 25851052, 45268322, 50855596, 69142711, 71090393, 90536644, 138285422, 142180786, 276570844, 284361572, 458856173, 917712346, 1835424692, 5047417903, 10094835806, 20189671612]

約数ペア:

[(1, 20189671612), (2, 10094835806), (4, 5047417903), (11, 1835424692), (22, 917712346), (44, 458856173), (71, 284361572), (73, 276570844), (142, 142180786), (146, 138285422), (223, 90536644), (284, 71090393), (292, 69142711), (397, 50855596), (446, 45268322), (781, 25851052), (794, 25427798), (803, 25142804), (892, 22634161), (1562, 12925526), (1588, 12713899), (1606, 12571402), (2453, 8230604), (3124, 6462763), (3212, 6285701), (4367, 4623236), (4906, 4115302), (5183, 3895364), (8734, 2311618), (9812, 2057651), (10366, 1947682), (15833, 1275164), (16279, 1240228), (17468, 1155809), (20732, 973841), (28187, 716276), (28981, 696652), (31666, 637582), (32558, 620114), (56374, 358138), (57013, 354124), (57962, 348326), (63332, 318791), (65116, 310057), (88531, 228052), (112748, 179069), (114026, 177062), (115924, 174163)]