20984950449

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{260201}}^1$

素因数の和:260342

約数の個数: 32

約数和(自身を含む): 32473209600

約数和(自身を除く): 11488259151

約数列:

[1, 3, 9, 27, 29, 87, 103, 261, 309, 783, 927, 2781, 2987, 8961, 26883, 80649, 260201, 780603, 2341809, 7025427, 7545829, 22637487, 26800703, 67912461, 80402109, 203737383, 241206327, 723618981, 777220387, 2331661161, 6994983483, 20984950449]

約数ペア:

[(1, 20984950449), (3, 6994983483), (9, 2331661161), (27, 777220387), (29, 723618981), (87, 241206327), (103, 203737383), (261, 80402109), (309, 67912461), (783, 26800703), (927, 22637487), (2781, 7545829), (2987, 7025427), (8961, 2341809), (26883, 780603), (80649, 260201)]