20883900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1039}}^1$

素因数の和:1123

約数の個数: 72

約数和(自身を含む): 61384960

約数和(自身を除く): 40501060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 67, 75, 100, 134, 150, 201, 268, 300, 335, 402, 670, 804, 1005, 1039, 1340, 1675, 2010, 2078, 3117, 3350, 4020, 4156, 5025, 5195, 6234, 6700, 10050, 10390, 12468, 15585, 20100, 20780, 25975, 31170, 51950, 62340, 69613, 77925, 103900, 139226, 155850, 208839, 278452, 311700, 348065, 417678, 696130, 835356, 1044195, 1392260, 1740325, 2088390, 3480650, 4176780, 5220975, 6961300, 10441950, 20883900]

約数ペア:

[(1, 20883900), (2, 10441950), (3, 6961300), (4, 5220975), (5, 4176780), (6, 3480650), (10, 2088390), (12, 1740325), (15, 1392260), (20, 1044195), (25, 835356), (30, 696130), (50, 417678), (60, 348065), (67, 311700), (75, 278452), (100, 208839), (134, 155850), (150, 139226), (201, 103900), (268, 77925), (300, 69613), (335, 62340), (402, 51950), (670, 31170), (804, 25975), (1005, 20780), (1039, 20100), (1340, 15585), (1675, 12468), (2010, 10390), (2078, 10050), (3117, 6700), (3350, 6234), (4020, 5195), (4156, 5025)]