20117491420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{22279}}^1$

素因数の和:22475

約数の個数: 96

約数和(自身を含む): 47791134720

約数和(自身を除く): 27673643300

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 151, 230, 260, 299, 302, 460, 598, 604, 755, 1196, 1495, 1510, 1963, 2990, 3020, 3473, 3926, 5980, 6946, 7852, 9815, 13892, 17365, 19630, 22279, 34730, 39260, 44558, 45149, 69460, 89116, 90298, 111395, 180596, 222790, 225745, 289627, 445580, 451490, 512417, 579254, 902980, 1024834, 1158508, 1448135, 2049668, 2562085, 2896270, 3364129, 5124170, 5792540, 6661421, 6728258, 10248340, 13322842, 13456516, 16820645, 26645684, 33307105, 33641290, 43733677, 66614210, 67282580, 77374967, 87467354, 133228420, 154749934, 174934708, 218668385, 309499868, 386874835, 437336770, 773749670, 874673540, 1005874571, 1547499340, 2011749142, 4023498284, 5029372855, 10058745710, 20117491420]

約数ペア:

[(1, 20117491420), (2, 10058745710), (4, 5029372855), (5, 4023498284), (10, 2011749142), (13, 1547499340), (20, 1005874571), (23, 874673540), (26, 773749670), (46, 437336770), (52, 386874835), (65, 309499868), (92, 218668385), (115, 174934708), (130, 154749934), (151, 133228420), (230, 87467354), (260, 77374967), (299, 67282580), (302, 66614210), (460, 43733677), (598, 33641290), (604, 33307105), (755, 26645684), (1196, 16820645), (1495, 13456516), (1510, 13322842), (1963, 10248340), (2990, 6728258), (3020, 6661421), (3473, 5792540), (3926, 5124170), (5980, 3364129), (6946, 2896270), (7852, 2562085), (9815, 2049668), (13892, 1448135), (17365, 1158508), (19630, 1024834), (22279, 902980), (34730, 579254), (39260, 512417), (44558, 451490), (45149, 445580), (69460, 289627), (89116, 225745), (90298, 222790), (111395, 180596)]