20595810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1$

素因数の和:1623

約数の個数: 64

約数和(自身を含む): 54328320

約数和(自身を除く): 33732510

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 30, 38, 46, 57, 69, 95, 114, 115, 138, 190, 230, 285, 345, 437, 570, 690, 874, 1311, 1571, 2185, 2622, 3142, 4370, 4713, 6555, 7855, 9426, 13110, 15710, 23565, 29849, 36133, 47130, 59698, 72266, 89547, 108399, 149245, 179094, 180665, 216798, 298490, 361330, 447735, 541995, 686527, 895470, 1083990, 1373054, 2059581, 3432635, 4119162, 6865270, 10297905, 20595810]

約数ペア:

[(1, 20595810), (2, 10297905), (3, 6865270), (5, 4119162), (6, 3432635), (10, 2059581), (15, 1373054), (19, 1083990), (23, 895470), (30, 686527), (38, 541995), (46, 447735), (57, 361330), (69, 298490), (95, 216798), (114, 180665), (115, 179094), (138, 149245), (190, 108399), (230, 89547), (285, 72266), (345, 59698), (437, 47130), (570, 36133), (690, 29849), (874, 23565), (1311, 15710), (1571, 13110), (2185, 9426), (2622, 7855), (3142, 6555), (4370, 4713)]