20212744

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 39456000

約数和(自身を除く): 19243256

約数列:

[1, 2, 4, 8, 31, 62, 124, 149, 248, 298, 547, 596, 1094, 1192, 2188, 4376, 4619, 9238, 16957, 18476, 33914, 36952, 67828, 81503, 135656, 163006, 326012, 652024, 2526593, 5053186, 10106372, 20212744]

約数ペア:

[(1, 20212744), (2, 10106372), (4, 5053186), (8, 2526593), (31, 652024), (62, 326012), (124, 163006), (149, 135656), (248, 81503), (298, 67828), (547, 36952), (596, 33914), (1094, 18476), (1192, 16957), (2188, 9238), (4376, 4619)]