20164557528

素因数分解:

$2^3\times 3^3\times {\mathrm{173}}^1\times {\mathrm{539621}}^1$

素因数の和:539809

約数の個数: 64

約数和(自身を含む): 56336536800

約数和(自身を除く): 36171979272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 173, 216, 346, 519, 692, 1038, 1384, 1557, 2076, 3114, 4152, 4671, 6228, 9342, 12456, 18684, 37368, 539621, 1079242, 1618863, 2158484, 3237726, 4316968, 4856589, 6475452, 9713178, 12950904, 14569767, 19426356, 29139534, 38852712, 58279068, 93354433, 116558136, 186708866, 280063299, 373417732, 560126598, 746835464, 840189897, 1120253196, 1680379794, 2240506392, 2520569691, 3360759588, 5041139382, 6721519176, 10082278764, 20164557528]

約数ペア:

[(1, 20164557528), (2, 10082278764), (3, 6721519176), (4, 5041139382), (6, 3360759588), (8, 2520569691), (9, 2240506392), (12, 1680379794), (18, 1120253196), (24, 840189897), (27, 746835464), (36, 560126598), (54, 373417732), (72, 280063299), (108, 186708866), (173, 116558136), (216, 93354433), (346, 58279068), (519, 38852712), (692, 29139534), (1038, 19426356), (1384, 14569767), (1557, 12950904), (2076, 9713178), (3114, 6475452), (4152, 4856589), (4671, 4316968), (6228, 3237726), (9342, 2158484), (12456, 1618863), (18684, 1079242), (37368, 539621)]