20161248

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^2\times {\mathrm{397}}^1$

素因数の和:456

約数の個数: 72

約数和(自身を含む): 55463688

約数和(自身を除く): 35302440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 397, 529, 552, 736, 794, 1058, 1104, 1191, 1587, 1588, 2116, 2208, 2382, 3174, 3176, 4232, 4764, 6348, 6352, 8464, 9131, 9528, 12696, 12704, 16928, 18262, 19056, 25392, 27393, 36524, 38112, 50784, 54786, 73048, 109572, 146096, 210013, 219144, 292192, 420026, 438288, 630039, 840052, 876576, 1260078, 1680104, 2520156, 3360208, 5040312, 6720416, 10080624, 20161248]

約数ペア:

[(1, 20161248), (2, 10080624), (3, 6720416), (4, 5040312), (6, 3360208), (8, 2520156), (12, 1680104), (16, 1260078), (23, 876576), (24, 840052), (32, 630039), (46, 438288), (48, 420026), (69, 292192), (92, 219144), (96, 210013), (138, 146096), (184, 109572), (276, 73048), (368, 54786), (397, 50784), (529, 38112), (552, 36524), (736, 27393), (794, 25392), (1058, 19056), (1104, 18262), (1191, 16928), (1587, 12704), (1588, 12696), (2116, 9528), (2208, 9131), (2382, 8464), (3174, 6352), (3176, 6348), (4232, 4764)]