20468742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 49152000

約数和(自身を除く): 28683258

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 79, 93, 158, 186, 199, 217, 237, 398, 434, 474, 553, 597, 651, 1106, 1194, 1302, 1393, 1659, 2449, 2786, 3318, 4179, 4898, 6169, 7347, 8358, 12338, 14694, 15721, 17143, 18507, 31442, 34286, 37014, 43183, 47163, 51429, 86366, 94326, 102858, 110047, 129549, 220094, 259098, 330141, 487351, 660282, 974702, 1462053, 2924106, 3411457, 6822914, 10234371, 20468742]

約数ペア:

[(1, 20468742), (2, 10234371), (3, 6822914), (6, 3411457), (7, 2924106), (14, 1462053), (21, 974702), (31, 660282), (42, 487351), (62, 330141), (79, 259098), (93, 220094), (158, 129549), (186, 110047), (199, 102858), (217, 94326), (237, 86366), (398, 51429), (434, 47163), (474, 43183), (553, 37014), (597, 34286), (651, 31442), (1106, 18507), (1194, 17143), (1302, 15721), (1393, 14694), (1659, 12338), (2449, 8358), (2786, 7347), (3318, 6169), (4179, 4898)]