20638452

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 53932032

約数和(自身を除く): 33293580

約数列:

[1, 2, 3, 4, 6, 12, 23, 37, 43, 46, 47, 69, 74, 86, 92, 94, 111, 129, 138, 141, 148, 172, 188, 222, 258, 276, 282, 444, 516, 564, 851, 989, 1081, 1591, 1702, 1739, 1978, 2021, 2162, 2553, 2967, 3182, 3243, 3404, 3478, 3956, 4042, 4324, 4773, 5106, 5217, 5934, 6063, 6364, 6486, 6956, 8084, 9546, 10212, 10434, 11868, 12126, 12972, 19092, 20868, 24252, 36593, 39997, 46483, 73186, 74777, 79994, 92966, 109779, 119991, 139449, 146372, 149554, 159988, 185932, 219558, 224331, 239982, 278898, 299108, 439116, 448662, 479964, 557796, 897324, 1719871, 3439742, 5159613, 6879484, 10319226, 20638452]

約数ペア:

[(1, 20638452), (2, 10319226), (3, 6879484), (4, 5159613), (6, 3439742), (12, 1719871), (23, 897324), (37, 557796), (43, 479964), (46, 448662), (47, 439116), (69, 299108), (74, 278898), (86, 239982), (92, 224331), (94, 219558), (111, 185932), (129, 159988), (138, 149554), (141, 146372), (148, 139449), (172, 119991), (188, 109779), (222, 92966), (258, 79994), (276, 74777), (282, 73186), (444, 46483), (516, 39997), (564, 36593), (851, 24252), (989, 20868), (1081, 19092), (1591, 12972), (1702, 12126), (1739, 11868), (1978, 10434), (2021, 10212), (2162, 9546), (2553, 8084), (2967, 6956), (3182, 6486), (3243, 6364), (3404, 6063), (3478, 5934), (3956, 5217), (4042, 5106), (4324, 4773)]