20597330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 22948270

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 62, 65, 95, 130, 155, 190, 247, 269, 310, 403, 494, 538, 589, 806, 1178, 1235, 1345, 2015, 2470, 2690, 2945, 3497, 4030, 5111, 5890, 6994, 7657, 8339, 10222, 15314, 16678, 17485, 25555, 34970, 38285, 41695, 51110, 66443, 76570, 83390, 108407, 132886, 158441, 216814, 316882, 332215, 542035, 664430, 792205, 1084070, 1584410, 2059733, 4119466, 10298665, 20597330]

約数ペア:

[(1, 20597330), (2, 10298665), (5, 4119466), (10, 2059733), (13, 1584410), (19, 1084070), (26, 792205), (31, 664430), (38, 542035), (62, 332215), (65, 316882), (95, 216814), (130, 158441), (155, 132886), (190, 108407), (247, 83390), (269, 76570), (310, 66443), (403, 51110), (494, 41695), (538, 38285), (589, 34970), (806, 25555), (1178, 17485), (1235, 16678), (1345, 15314), (2015, 10222), (2470, 8339), (2690, 7657), (2945, 6994), (3497, 5890), (4030, 5111)]