20663412

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 64350720

約数和(自身を除く): 43687308

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 19, 21, 22, 28, 33, 38, 42, 44, 57, 66, 76, 77, 84, 107, 114, 121, 132, 133, 154, 209, 214, 228, 231, 242, 266, 308, 321, 363, 399, 418, 428, 462, 484, 532, 627, 642, 726, 749, 798, 836, 847, 924, 1177, 1254, 1284, 1452, 1463, 1498, 1596, 1694, 2033, 2247, 2299, 2354, 2508, 2541, 2926, 2996, 3388, 3531, 4066, 4389, 4494, 4598, 4708, 5082, 5852, 6099, 6897, 7062, 8132, 8239, 8778, 8988, 9196, 10164, 12198, 12947, 13794, 14124, 14231, 16093, 16478, 17556, 22363, 24396, 24717, 25894, 27588, 28462, 32186, 32956, 38841, 42693, 44726, 48279, 49434, 51788, 56924, 64372, 67089, 77682, 85386, 89452, 90629, 96558, 98868, 134178, 155364, 156541, 170772, 181258, 193116, 245993, 268356, 271887, 313082, 362516, 469623, 491986, 543774, 626164, 737979, 939246, 983972, 1087548, 1475958, 1721951, 1878492, 2951916, 3443902, 5165853, 6887804, 10331706, 20663412]

約数ペア:

[(1, 20663412), (2, 10331706), (3, 6887804), (4, 5165853), (6, 3443902), (7, 2951916), (11, 1878492), (12, 1721951), (14, 1475958), (19, 1087548), (21, 983972), (22, 939246), (28, 737979), (33, 626164), (38, 543774), (42, 491986), (44, 469623), (57, 362516), (66, 313082), (76, 271887), (77, 268356), (84, 245993), (107, 193116), (114, 181258), (121, 170772), (132, 156541), (133, 155364), (154, 134178), (209, 98868), (214, 96558), (228, 90629), (231, 89452), (242, 85386), (266, 77682), (308, 67089), (321, 64372), (363, 56924), (399, 51788), (418, 49434), (428, 48279), (462, 44726), (484, 42693), (532, 38841), (627, 32956), (642, 32186), (726, 28462), (749, 27588), (798, 25894), (836, 24717), (847, 24396), (924, 22363), (1177, 17556), (1254, 16478), (1284, 16093), (1452, 14231), (1463, 14124), (1498, 13794), (1596, 12947), (1694, 12198), (2033, 10164), (2247, 9196), (2299, 8988), (2354, 8778), (2508, 8239), (2541, 8132), (2926, 7062), (2996, 6897), (3388, 6099), (3531, 5852), (4066, 5082), (4389, 4708), (4494, 4598)]