20296950908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1091}}^1\times {\mathrm{5039}}^1$

素因数の和:6218

約数の個数: 48

約数和(自身を含む): 38833966080

約数和(自身を除く): 18537015172

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1091, 1846, 2182, 3692, 4364, 5039, 10078, 14183, 20156, 28366, 56732, 65507, 77461, 131014, 154922, 262028, 309844, 357769, 715538, 1006993, 1431076, 2013986, 4027972, 4650997, 5497549, 9301994, 10995098, 18603988, 21990196, 71468137, 142936274, 285872548, 390325979, 780651958, 1561303916, 5074237727, 10148475454, 20296950908]

約数ペア:

[(1, 20296950908), (2, 10148475454), (4, 5074237727), (13, 1561303916), (26, 780651958), (52, 390325979), (71, 285872548), (142, 142936274), (284, 71468137), (923, 21990196), (1091, 18603988), (1846, 10995098), (2182, 9301994), (3692, 5497549), (4364, 4650997), (5039, 4027972), (10078, 2013986), (14183, 1431076), (20156, 1006993), (28366, 715538), (56732, 357769), (65507, 309844), (77461, 262028), (131014, 154922)]