20104295900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{29683}}^1$

素因数の和:30231

約数の個数: 72

約数和(自身を含む): 47073955824

約数和(自身を除く): 26969659924

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 521, 650, 1042, 1300, 2084, 2605, 5210, 6773, 10420, 13025, 13546, 26050, 27092, 29683, 33865, 52100, 59366, 67730, 118732, 135460, 148415, 169325, 296830, 338650, 385879, 593660, 677300, 742075, 771758, 1484150, 1543516, 1929395, 2968300, 3858790, 7717580, 9646975, 15464843, 19293950, 30929686, 38587900, 61859372, 77324215, 154648430, 201042959, 309296860, 386621075, 402085918, 773242150, 804171836, 1005214795, 1546484300, 2010429590, 4020859180, 5026073975, 10052147950, 20104295900]

約数ペア:

[(1, 20104295900), (2, 10052147950), (4, 5026073975), (5, 4020859180), (10, 2010429590), (13, 1546484300), (20, 1005214795), (25, 804171836), (26, 773242150), (50, 402085918), (52, 386621075), (65, 309296860), (100, 201042959), (130, 154648430), (260, 77324215), (325, 61859372), (521, 38587900), (650, 30929686), (1042, 19293950), (1300, 15464843), (2084, 9646975), (2605, 7717580), (5210, 3858790), (6773, 2968300), (10420, 1929395), (13025, 1543516), (13546, 1484150), (26050, 771758), (27092, 742075), (29683, 677300), (33865, 593660), (52100, 385879), (59366, 338650), (67730, 296830), (118732, 169325), (135460, 148415)]