20030290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5399}}^1$

素因数の和:5466

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 21960110

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5399, 10798, 26995, 37793, 53990, 75586, 188965, 286147, 377930, 572294, 1430735, 2003029, 2861470, 4006058, 10015145, 20030290]

約数ペア:

[(1, 20030290), (2, 10015145), (5, 4006058), (7, 2861470), (10, 2003029), (14, 1430735), (35, 572294), (53, 377930), (70, 286147), (106, 188965), (265, 75586), (371, 53990), (530, 37793), (742, 26995), (1855, 10798), (3710, 5399)]