20665472

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9497}}^1$

素因数の和:9528

約数の個数: 32

約数和(自身を含む): 43595820

約数和(自身を除く): 22930348

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9497, 18994, 37988, 75976, 151952, 161449, 303904, 322898, 607808, 645796, 1215616, 1291592, 2583184, 5166368, 10332736, 20665472]

約数ペア:

[(1, 20665472), (2, 10332736), (4, 5166368), (8, 2583184), (16, 1291592), (17, 1215616), (32, 645796), (34, 607808), (64, 322898), (68, 303904), (128, 161449), (136, 151952), (272, 75976), (544, 37988), (1088, 18994), (2176, 9497)]