20120853921

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{145547}}^1$

素因数の和:145813

約数の個数: 32

約数和(自身を含む): 31857546240

約数和(自身を除く): 11736692319

約数列:

[1, 3, 7, 21, 29, 87, 203, 227, 609, 681, 1589, 4767, 6583, 19749, 46081, 138243, 145547, 436641, 1018829, 3056487, 4220863, 12662589, 29546041, 33039169, 88638123, 99117507, 231274183, 693822549, 958135901, 2874407703, 6706951307, 20120853921]

約数ペア:

[(1, 20120853921), (3, 6706951307), (7, 2874407703), (21, 958135901), (29, 693822549), (87, 231274183), (203, 99117507), (227, 88638123), (609, 33039169), (681, 29546041), (1589, 12662589), (4767, 4220863), (6583, 3056487), (19749, 1018829), (46081, 436641), (138243, 145547)]