20565715425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{465551}}^1$

素因数の和:465614

約数の個数: 48

約数和(自身を含む): 36946206720

約数和(自身を除く): 16380491295

約数列:

[1, 3, 5, 15, 19, 25, 31, 57, 75, 93, 95, 155, 285, 465, 475, 589, 775, 1425, 1767, 2325, 2945, 8835, 14725, 44175, 465551, 1396653, 2327755, 6983265, 8845469, 11638775, 14432081, 26536407, 34916325, 43296243, 44227345, 72160405, 132682035, 216481215, 221136725, 274209539, 360802025, 663410175, 822628617, 1082406075, 1371047695, 4113143085, 6855238475, 20565715425]

約数ペア:

[(1, 20565715425), (3, 6855238475), (5, 4113143085), (15, 1371047695), (19, 1082406075), (25, 822628617), (31, 663410175), (57, 360802025), (75, 274209539), (93, 221136725), (95, 216481215), (155, 132682035), (285, 72160405), (465, 44227345), (475, 43296243), (589, 34916325), (775, 26536407), (1425, 14432081), (1767, 11638775), (2325, 8845469), (2945, 6983265), (8835, 2327755), (14725, 1396653), (44175, 465551)]