20974452

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 29828748

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 89, 123, 164, 178, 246, 267, 356, 479, 492, 534, 958, 1068, 1437, 1916, 2874, 3649, 5748, 7298, 10947, 14596, 19639, 21894, 39278, 42631, 43788, 58917, 78556, 85262, 117834, 127893, 170524, 235668, 255786, 511572, 1747871, 3495742, 5243613, 6991484, 10487226, 20974452]

約数ペア:

[(1, 20974452), (2, 10487226), (3, 6991484), (4, 5243613), (6, 3495742), (12, 1747871), (41, 511572), (82, 255786), (89, 235668), (123, 170524), (164, 127893), (178, 117834), (246, 85262), (267, 78556), (356, 58917), (479, 43788), (492, 42631), (534, 39278), (958, 21894), (1068, 19639), (1437, 14596), (1916, 10947), (2874, 7298), (3649, 5748)]