17652020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 38900736

約数和(自身を除く): 21248716

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 401, 620, 710, 802, 1420, 1604, 2005, 2201, 4010, 4402, 8020, 8804, 11005, 12431, 22010, 24862, 28471, 44020, 49724, 56942, 62155, 113884, 124310, 142355, 248620, 284710, 569420, 882601, 1765202, 3530404, 4413005, 8826010, 17652020]

約数ペア:

[(1, 17652020), (2, 8826010), (4, 4413005), (5, 3530404), (10, 1765202), (20, 882601), (31, 569420), (62, 284710), (71, 248620), (124, 142355), (142, 124310), (155, 113884), (284, 62155), (310, 56942), (355, 49724), (401, 44020), (620, 28471), (710, 24862), (802, 22010), (1420, 12431), (1604, 11005), (2005, 8804), (2201, 8020), (4010, 4402)]