20542572

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 120

約数和(自身を含む): 58544640

約数和(自身を除く): 38002068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 47, 54, 57, 71, 76, 81, 94, 108, 114, 141, 142, 162, 171, 188, 213, 228, 282, 284, 324, 342, 423, 426, 513, 564, 639, 684, 846, 852, 893, 1026, 1269, 1278, 1349, 1539, 1692, 1786, 1917, 2052, 2538, 2556, 2679, 2698, 3078, 3337, 3572, 3807, 3834, 4047, 5076, 5358, 5396, 5751, 6156, 6674, 7614, 7668, 8037, 8094, 10011, 10716, 11502, 12141, 13348, 15228, 16074, 16188, 20022, 23004, 24111, 24282, 30033, 32148, 36423, 40044, 48222, 48564, 60066, 63403, 72333, 72846, 90099, 96444, 109269, 120132, 126806, 144666, 145692, 180198, 190209, 218538, 253612, 270297, 289332, 360396, 380418, 437076, 540594, 570627, 760836, 1081188, 1141254, 1711881, 2282508, 3423762, 5135643, 6847524, 10271286, 20542572]

約数ペア:

[(1, 20542572), (2, 10271286), (3, 6847524), (4, 5135643), (6, 3423762), (9, 2282508), (12, 1711881), (18, 1141254), (19, 1081188), (27, 760836), (36, 570627), (38, 540594), (47, 437076), (54, 380418), (57, 360396), (71, 289332), (76, 270297), (81, 253612), (94, 218538), (108, 190209), (114, 180198), (141, 145692), (142, 144666), (162, 126806), (171, 120132), (188, 109269), (213, 96444), (228, 90099), (282, 72846), (284, 72333), (324, 63403), (342, 60066), (423, 48564), (426, 48222), (513, 40044), (564, 36423), (639, 32148), (684, 30033), (846, 24282), (852, 24111), (893, 23004), (1026, 20022), (1269, 16188), (1278, 16074), (1349, 15228), (1539, 13348), (1692, 12141), (1786, 11502), (1917, 10716), (2052, 10011), (2538, 8094), (2556, 8037), (2679, 7668), (2698, 7614), (3078, 6674), (3337, 6156), (3572, 5751), (3807, 5396), (3834, 5358), (4047, 5076)]