20688264

素因数分解:

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

素因数の和:176

約数の個数: 96

約数和(自身を含む): 61356000

約数和(自身を除く): 40667736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 71, 72, 76, 108, 114, 142, 152, 171, 213, 216, 228, 284, 342, 426, 456, 513, 568, 639, 684, 852, 1026, 1278, 1349, 1368, 1704, 1917, 2052, 2556, 2698, 3834, 4047, 4104, 5041, 5112, 5396, 7668, 8094, 10082, 10792, 12141, 15123, 15336, 16188, 20164, 24282, 30246, 32376, 36423, 40328, 45369, 48564, 60492, 72846, 90738, 95779, 97128, 120984, 136107, 145692, 181476, 191558, 272214, 287337, 291384, 362952, 383116, 544428, 574674, 766232, 862011, 1088856, 1149348, 1724022, 2298696, 2586033, 3448044, 5172066, 6896088, 10344132, 20688264]

約数ペア:

[(1, 20688264), (2, 10344132), (3, 6896088), (4, 5172066), (6, 3448044), (8, 2586033), (9, 2298696), (12, 1724022), (18, 1149348), (19, 1088856), (24, 862011), (27, 766232), (36, 574674), (38, 544428), (54, 383116), (57, 362952), (71, 291384), (72, 287337), (76, 272214), (108, 191558), (114, 181476), (142, 145692), (152, 136107), (171, 120984), (213, 97128), (216, 95779), (228, 90738), (284, 72846), (342, 60492), (426, 48564), (456, 45369), (513, 40328), (568, 36423), (639, 32376), (684, 30246), (852, 24282), (1026, 20164), (1278, 16188), (1349, 15336), (1368, 15123), (1704, 12141), (1917, 10792), (2052, 10082), (2556, 8094), (2698, 7668), (3834, 5396), (4047, 5112), (4104, 5041)]