20213094762

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{487603}}^1$

素因数の和:487672

約数の個数: 72

約数和(自身を含む): 52029297216

約数和(自身を除く): 31816202454

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 49, 63, 94, 98, 126, 141, 147, 282, 294, 329, 423, 441, 658, 846, 882, 987, 1974, 2303, 2961, 4606, 5922, 6909, 13818, 20727, 41454, 487603, 975206, 1462809, 2925618, 3413221, 4388427, 6826442, 8776854, 10239663, 20479326, 22917341, 23892547, 30718989, 45834682, 47785094, 61437978, 68752023, 71677641, 137504046, 143355282, 160421387, 206256069, 215032923, 320842774, 412512138, 430065846, 481264161, 962528322, 1122949709, 1443792483, 2245899418, 2887584966, 3368849127, 6737698254, 10106547381, 20213094762]

約数ペア:

[(1, 20213094762), (2, 10106547381), (3, 6737698254), (6, 3368849127), (7, 2887584966), (9, 2245899418), (14, 1443792483), (18, 1122949709), (21, 962528322), (42, 481264161), (47, 430065846), (49, 412512138), (63, 320842774), (94, 215032923), (98, 206256069), (126, 160421387), (141, 143355282), (147, 137504046), (282, 71677641), (294, 68752023), (329, 61437978), (423, 47785094), (441, 45834682), (658, 30718989), (846, 23892547), (882, 22917341), (987, 20479326), (1974, 10239663), (2303, 8776854), (2961, 6826442), (4606, 4388427), (5922, 3413221), (6909, 2925618), (13818, 1462809), (20727, 975206), (41454, 487603)]