20430060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6949}}^1$

素因数の和:6975

約数の個数: 72

約数和(自身を含む): 66553200

約数和(自身を除く): 46123140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6949, 13898, 20847, 27796, 34745, 41694, 48643, 69490, 83388, 97286, 104235, 138980, 145929, 194572, 208470, 243215, 291858, 340501, 416940, 486430, 583716, 681002, 729645, 972860, 1021503, 1362004, 1459290, 1702505, 2043006, 2918580, 3405010, 4086012, 5107515, 6810020, 10215030, 20430060]

約数ペア:

[(1, 20430060), (2, 10215030), (3, 6810020), (4, 5107515), (5, 4086012), (6, 3405010), (7, 2918580), (10, 2043006), (12, 1702505), (14, 1459290), (15, 1362004), (20, 1021503), (21, 972860), (28, 729645), (30, 681002), (35, 583716), (42, 486430), (49, 416940), (60, 340501), (70, 291858), (84, 243215), (98, 208470), (105, 194572), (140, 145929), (147, 138980), (196, 104235), (210, 97286), (245, 83388), (294, 69490), (420, 48643), (490, 41694), (588, 34745), (735, 27796), (980, 20847), (1470, 13898), (2940, 6949)]