20929944

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 64512000

約数和(自身を除く): 43582056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 79, 83, 84, 114, 133, 152, 158, 166, 168, 228, 237, 249, 266, 316, 332, 399, 456, 474, 498, 532, 553, 581, 632, 664, 798, 948, 996, 1064, 1106, 1162, 1501, 1577, 1596, 1659, 1743, 1896, 1992, 2212, 2324, 3002, 3154, 3192, 3318, 3486, 4424, 4503, 4648, 4731, 6004, 6308, 6557, 6636, 6972, 9006, 9462, 10507, 11039, 12008, 12616, 13114, 13272, 13944, 18012, 18924, 19671, 21014, 22078, 26228, 31521, 33117, 36024, 37848, 39342, 42028, 44156, 45899, 52456, 63042, 66234, 78684, 84056, 88312, 91798, 124583, 126084, 132468, 137697, 157368, 183596, 249166, 252168, 264936, 275394, 367192, 373749, 498332, 550788, 747498, 872081, 996664, 1101576, 1494996, 1744162, 2616243, 2989992, 3488324, 5232486, 6976648, 10464972, 20929944]

約数ペア:

[(1, 20929944), (2, 10464972), (3, 6976648), (4, 5232486), (6, 3488324), (7, 2989992), (8, 2616243), (12, 1744162), (14, 1494996), (19, 1101576), (21, 996664), (24, 872081), (28, 747498), (38, 550788), (42, 498332), (56, 373749), (57, 367192), (76, 275394), (79, 264936), (83, 252168), (84, 249166), (114, 183596), (133, 157368), (152, 137697), (158, 132468), (166, 126084), (168, 124583), (228, 91798), (237, 88312), (249, 84056), (266, 78684), (316, 66234), (332, 63042), (399, 52456), (456, 45899), (474, 44156), (498, 42028), (532, 39342), (553, 37848), (581, 36024), (632, 33117), (664, 31521), (798, 26228), (948, 22078), (996, 21014), (1064, 19671), (1106, 18924), (1162, 18012), (1501, 13944), (1577, 13272), (1596, 13114), (1659, 12616), (1743, 12008), (1896, 11039), (1992, 10507), (2212, 9462), (2324, 9006), (3002, 6972), (3154, 6636), (3192, 6557), (3318, 6308), (3486, 6004), (4424, 4731), (4503, 4648)]