20336940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2897}}^1$

素因数の和:2928

約数の個数: 96

約数和(自身を含む): 68160960

約数和(自身を除く): 47824020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 2897, 3510, 5794, 7020, 8691, 11588, 14485, 17382, 26073, 28970, 34764, 37661, 43455, 52146, 57940, 75322, 78219, 86910, 104292, 112983, 130365, 150644, 156438, 173820, 188305, 225966, 260730, 312876, 338949, 376610, 391095, 451932, 521460, 564915, 677898, 753220, 782190, 1016847, 1129830, 1355796, 1564380, 1694745, 2033694, 2259660, 3389490, 4067388, 5084235, 6778980, 10168470, 20336940]

約数ペア:

[(1, 20336940), (2, 10168470), (3, 6778980), (4, 5084235), (5, 4067388), (6, 3389490), (9, 2259660), (10, 2033694), (12, 1694745), (13, 1564380), (15, 1355796), (18, 1129830), (20, 1016847), (26, 782190), (27, 753220), (30, 677898), (36, 564915), (39, 521460), (45, 451932), (52, 391095), (54, 376610), (60, 338949), (65, 312876), (78, 260730), (90, 225966), (108, 188305), (117, 173820), (130, 156438), (135, 150644), (156, 130365), (180, 112983), (195, 104292), (234, 86910), (260, 78219), (270, 75322), (351, 57940), (390, 52146), (468, 43455), (540, 37661), (585, 34764), (702, 28970), (780, 26073), (1170, 17382), (1404, 14485), (1755, 11588), (2340, 8691), (2897, 7020), (3510, 5794)]