20807376

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{8179}}^1$

素因数の和:8243

約数の個数: 40

約数和(自身を含む): 54773280

約数和(自身を除く): 33965904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 8179, 16358, 24537, 32716, 49074, 65432, 98148, 130864, 196296, 392592, 433487, 866974, 1300461, 1733948, 2600922, 3467896, 5201844, 6935792, 10403688, 20807376]

約数ペア:

[(1, 20807376), (2, 10403688), (3, 6935792), (4, 5201844), (6, 3467896), (8, 2600922), (12, 1733948), (16, 1300461), (24, 866974), (48, 433487), (53, 392592), (106, 196296), (159, 130864), (212, 98148), (318, 65432), (424, 49074), (636, 32716), (848, 24537), (1272, 16358), (2544, 8179)]