20312630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 41827968

約数和(自身を除く): 21515338

約数列:

[1, 2, 5, 10, 13, 26, 37, 41, 65, 74, 82, 103, 130, 185, 205, 206, 370, 410, 481, 515, 533, 962, 1030, 1066, 1339, 1517, 2405, 2665, 2678, 3034, 3811, 4223, 4810, 5330, 6695, 7585, 7622, 8446, 13390, 15170, 19055, 19721, 21115, 38110, 39442, 42230, 49543, 54899, 98605, 99086, 109798, 156251, 197210, 247715, 274495, 312502, 495430, 548990, 781255, 1562510, 2031263, 4062526, 10156315, 20312630]

約数ペア:

[(1, 20312630), (2, 10156315), (5, 4062526), (10, 2031263), (13, 1562510), (26, 781255), (37, 548990), (41, 495430), (65, 312502), (74, 274495), (82, 247715), (103, 197210), (130, 156251), (185, 109798), (205, 99086), (206, 98605), (370, 54899), (410, 49543), (481, 42230), (515, 39442), (533, 38110), (962, 21115), (1030, 19721), (1066, 19055), (1339, 15170), (1517, 13390), (2405, 8446), (2665, 7622), (2678, 7585), (3034, 6695), (3811, 5330), (4223, 4810)]