20355180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 59984064

約数和(自身を除く): 39628884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 53, 60, 74, 106, 111, 148, 159, 173, 185, 212, 222, 265, 318, 346, 370, 444, 519, 530, 555, 636, 692, 740, 795, 865, 1038, 1060, 1110, 1590, 1730, 1961, 2076, 2220, 2595, 3180, 3460, 3922, 5190, 5883, 6401, 7844, 9169, 9805, 10380, 11766, 12802, 18338, 19203, 19610, 23532, 25604, 27507, 29415, 32005, 36676, 38406, 39220, 45845, 55014, 58830, 64010, 76812, 91690, 96015, 110028, 117660, 128020, 137535, 183380, 192030, 275070, 339253, 384060, 550140, 678506, 1017759, 1357012, 1696265, 2035518, 3392530, 4071036, 5088795, 6785060, 10177590, 20355180]

約数ペア:

[(1, 20355180), (2, 10177590), (3, 6785060), (4, 5088795), (5, 4071036), (6, 3392530), (10, 2035518), (12, 1696265), (15, 1357012), (20, 1017759), (30, 678506), (37, 550140), (53, 384060), (60, 339253), (74, 275070), (106, 192030), (111, 183380), (148, 137535), (159, 128020), (173, 117660), (185, 110028), (212, 96015), (222, 91690), (265, 76812), (318, 64010), (346, 58830), (370, 55014), (444, 45845), (519, 39220), (530, 38406), (555, 36676), (636, 32005), (692, 29415), (740, 27507), (795, 25604), (865, 23532), (1038, 19610), (1060, 19203), (1110, 18338), (1590, 12802), (1730, 11766), (1961, 10380), (2076, 9805), (2220, 9169), (2595, 7844), (3180, 6401), (3460, 5883), (3922, 5190)]