20832496

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:569

約数の個数: 40

約数和(自身を含む): 42191744

約数和(自身を除く): 21359248

約数列:

[1, 2, 4, 8, 16, 31, 62, 97, 124, 194, 248, 388, 433, 496, 776, 866, 1552, 1732, 3007, 3464, 6014, 6928, 12028, 13423, 24056, 26846, 42001, 48112, 53692, 84002, 107384, 168004, 214768, 336008, 672016, 1302031, 2604062, 5208124, 10416248, 20832496]

約数ペア:

[(1, 20832496), (2, 10416248), (4, 5208124), (8, 2604062), (16, 1302031), (31, 672016), (62, 336008), (97, 214768), (124, 168004), (194, 107384), (248, 84002), (388, 53692), (433, 48112), (496, 42001), (776, 26846), (866, 24056), (1552, 13423), (1732, 12028), (3007, 6928), (3464, 6014)]