20500776

素因数分解:

$2^3\times 3^4\times {\mathrm{17}}^1\times {\mathrm{1861}}^1$

素因数の和:1896

約数の個数: 80

約数和(自身を含む): 60831540

約数和(自身を除く): 40330764

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 136, 153, 162, 204, 216, 306, 324, 408, 459, 612, 648, 918, 1224, 1377, 1836, 1861, 2754, 3672, 3722, 5508, 5583, 7444, 11016, 11166, 14888, 16749, 22332, 31637, 33498, 44664, 50247, 63274, 66996, 94911, 100494, 126548, 133992, 150741, 189822, 200988, 253096, 284733, 301482, 379644, 401976, 569466, 602964, 759288, 854199, 1138932, 1205928, 1708398, 2277864, 2562597, 3416796, 5125194, 6833592, 10250388, 20500776]

約数ペア:

[(1, 20500776), (2, 10250388), (3, 6833592), (4, 5125194), (6, 3416796), (8, 2562597), (9, 2277864), (12, 1708398), (17, 1205928), (18, 1138932), (24, 854199), (27, 759288), (34, 602964), (36, 569466), (51, 401976), (54, 379644), (68, 301482), (72, 284733), (81, 253096), (102, 200988), (108, 189822), (136, 150741), (153, 133992), (162, 126548), (204, 100494), (216, 94911), (306, 66996), (324, 63274), (408, 50247), (459, 44664), (612, 33498), (648, 31637), (918, 22332), (1224, 16749), (1377, 14888), (1836, 11166), (1861, 11016), (2754, 7444), (3672, 5583), (3722, 5508)]