20031799180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{893479}}^1$

素因数の和:893566

約数の個数: 48

約数和(自身を含む): 45031392000

約数和(自身を除く): 24999592820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 4484, 5605, 11210, 22420, 893479, 1786958, 3573916, 4467395, 8934790, 16976101, 17869580, 33952202, 52715261, 67904404, 84880505, 105430522, 169761010, 210861044, 263576305, 339522020, 527152610, 1001589959, 1054305220, 2003179918, 4006359836, 5007949795, 10015899590, 20031799180]

約数ペア:

[(1, 20031799180), (2, 10015899590), (4, 5007949795), (5, 4006359836), (10, 2003179918), (19, 1054305220), (20, 1001589959), (38, 527152610), (59, 339522020), (76, 263576305), (95, 210861044), (118, 169761010), (190, 105430522), (236, 84880505), (295, 67904404), (380, 52715261), (590, 33952202), (1121, 17869580), (1180, 16976101), (2242, 8934790), (4484, 4467395), (5605, 3573916), (11210, 1786958), (22420, 893479)]