20121744

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{24659}}^1$

素因数の和:24687

約数の個数: 40

約数和(自身を含む): 55041120

約数和(自身を除く): 34919376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 24659, 49318, 73977, 98636, 147954, 197272, 295908, 394544, 419203, 591816, 838406, 1183632, 1257609, 1676812, 2515218, 3353624, 5030436, 6707248, 10060872, 20121744]

約数ペア:

[(1, 20121744), (2, 10060872), (3, 6707248), (4, 5030436), (6, 3353624), (8, 2515218), (12, 1676812), (16, 1257609), (17, 1183632), (24, 838406), (34, 591816), (48, 419203), (51, 394544), (68, 295908), (102, 197272), (136, 147954), (204, 98636), (272, 73977), (408, 49318), (816, 24659)]