20512128949

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{8101}}^1$

素因数の和:8309

約数の個数: 32

約数和(自身を含む): 23404279808

約数和(自身を除く): 2892150859

約数列:

[1, 13, 31, 61, 103, 403, 793, 1339, 1891, 3193, 6283, 8101, 24583, 41509, 81679, 105313, 194773, 251131, 494161, 834403, 2532049, 3264703, 6424093, 10847239, 15318991, 25866493, 50898583, 199146883, 336264409, 661681579, 1577856073, 20512128949]

約数ペア:

[(1, 20512128949), (13, 1577856073), (31, 661681579), (61, 336264409), (103, 199146883), (403, 50898583), (793, 25866493), (1339, 15318991), (1891, 10847239), (3193, 6424093), (6283, 3264703), (8101, 2532049), (24583, 834403), (41509, 494161), (81679, 251131), (105313, 194773)]