20093890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1223}}^1$

素因数の和:1314

約数の個数: 32

約数和(自身を含む): 38071296

約数和(自身を除く): 17977406

約数列:

[1, 2, 5, 10, 31, 53, 62, 106, 155, 265, 310, 530, 1223, 1643, 2446, 3286, 6115, 8215, 12230, 16430, 37913, 64819, 75826, 129638, 189565, 324095, 379130, 648190, 2009389, 4018778, 10046945, 20093890]

約数ペア:

[(1, 20093890), (2, 10046945), (5, 4018778), (10, 2009389), (31, 648190), (53, 379130), (62, 324095), (106, 189565), (155, 129638), (265, 75826), (310, 64819), (530, 37913), (1223, 16430), (1643, 12230), (2446, 8215), (3286, 6115)]