20657832

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{907}}^1$

素因数の和:1002

約数の個数: 64

約数和(自身を含む): 56441280

約数和(自身を除く): 35783448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 73, 78, 104, 146, 156, 219, 292, 312, 438, 584, 876, 907, 949, 1752, 1814, 1898, 2721, 2847, 3628, 3796, 5442, 5694, 7256, 7592, 10884, 11388, 11791, 21768, 22776, 23582, 35373, 47164, 66211, 70746, 94328, 132422, 141492, 198633, 264844, 282984, 397266, 529688, 794532, 860743, 1589064, 1721486, 2582229, 3442972, 5164458, 6885944, 10328916, 20657832]

約数ペア:

[(1, 20657832), (2, 10328916), (3, 6885944), (4, 5164458), (6, 3442972), (8, 2582229), (12, 1721486), (13, 1589064), (24, 860743), (26, 794532), (39, 529688), (52, 397266), (73, 282984), (78, 264844), (104, 198633), (146, 141492), (156, 132422), (219, 94328), (292, 70746), (312, 66211), (438, 47164), (584, 35373), (876, 23582), (907, 22776), (949, 21768), (1752, 11791), (1814, 11388), (1898, 10884), (2721, 7592), (2847, 7256), (3628, 5694), (3796, 5442)]