20364384

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^2\times {\mathrm{401}}^1$

素因数の和:460

約数の個数: 72

約数和(自身を含む): 56021112

約数和(自身を除く): 35656728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 401, 529, 552, 736, 802, 1058, 1104, 1203, 1587, 1604, 2116, 2208, 2406, 3174, 3208, 4232, 4812, 6348, 6416, 8464, 9223, 9624, 12696, 12832, 16928, 18446, 19248, 25392, 27669, 36892, 38496, 50784, 55338, 73784, 110676, 147568, 212129, 221352, 295136, 424258, 442704, 636387, 848516, 885408, 1272774, 1697032, 2545548, 3394064, 5091096, 6788128, 10182192, 20364384]

約数ペア:

[(1, 20364384), (2, 10182192), (3, 6788128), (4, 5091096), (6, 3394064), (8, 2545548), (12, 1697032), (16, 1272774), (23, 885408), (24, 848516), (32, 636387), (46, 442704), (48, 424258), (69, 295136), (92, 221352), (96, 212129), (138, 147568), (184, 110676), (276, 73784), (368, 55338), (401, 50784), (529, 38496), (552, 36892), (736, 27669), (802, 25392), (1058, 19248), (1104, 18446), (1203, 16928), (1587, 12832), (1604, 12696), (2116, 9624), (2208, 9223), (2406, 8464), (3174, 6416), (3208, 6348), (4232, 4812)]