20668410

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:692

約数の個数: 96

約数和(自身を含む): 62674560

約数和(自身を除く): 42006150

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 53, 63, 70, 90, 105, 106, 126, 159, 210, 265, 315, 318, 371, 477, 530, 619, 630, 742, 795, 954, 1113, 1238, 1590, 1855, 1857, 2226, 2385, 3095, 3339, 3710, 3714, 4333, 4770, 5565, 5571, 6190, 6678, 8666, 9285, 11130, 11142, 12999, 16695, 18570, 21665, 25998, 27855, 32807, 33390, 38997, 43330, 55710, 64995, 65614, 77994, 98421, 129990, 164035, 194985, 196842, 229649, 295263, 328070, 389970, 459298, 492105, 590526, 688947, 984210, 1148245, 1377894, 1476315, 2066841, 2296490, 2952630, 3444735, 4133682, 6889470, 10334205, 20668410]

約数ペア:

[(1, 20668410), (2, 10334205), (3, 6889470), (5, 4133682), (6, 3444735), (7, 2952630), (9, 2296490), (10, 2066841), (14, 1476315), (15, 1377894), (18, 1148245), (21, 984210), (30, 688947), (35, 590526), (42, 492105), (45, 459298), (53, 389970), (63, 328070), (70, 295263), (90, 229649), (105, 196842), (106, 194985), (126, 164035), (159, 129990), (210, 98421), (265, 77994), (315, 65614), (318, 64995), (371, 55710), (477, 43330), (530, 38997), (619, 33390), (630, 32807), (742, 27855), (795, 25998), (954, 21665), (1113, 18570), (1238, 16695), (1590, 12999), (1855, 11142), (1857, 11130), (2226, 9285), (2385, 8666), (3095, 6678), (3339, 6190), (3710, 5571), (3714, 5565), (4333, 4770)]