20363700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9697}}^1$

素因数の和:9721

約数の個数: 72

約数和(自身を含む): 67342912

約数和(自身を除く): 46979212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9697, 19394, 29091, 38788, 48485, 58182, 67879, 96970, 116364, 135758, 145455, 193940, 203637, 242425, 271516, 290910, 339395, 407274, 484850, 581820, 678790, 727275, 814548, 969700, 1018185, 1357580, 1454550, 1696975, 2036370, 2909100, 3393950, 4072740, 5090925, 6787900, 10181850, 20363700]

約数ペア:

[(1, 20363700), (2, 10181850), (3, 6787900), (4, 5090925), (5, 4072740), (6, 3393950), (7, 2909100), (10, 2036370), (12, 1696975), (14, 1454550), (15, 1357580), (20, 1018185), (21, 969700), (25, 814548), (28, 727275), (30, 678790), (35, 581820), (42, 484850), (50, 407274), (60, 339395), (70, 290910), (75, 271516), (84, 242425), (100, 203637), (105, 193940), (140, 145455), (150, 135758), (175, 116364), (210, 96970), (300, 67879), (350, 58182), (420, 48485), (525, 38788), (700, 29091), (1050, 19394), (2100, 9697)]