20521584

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:215

約数の個数: 120

約数和(自身を含む): 62152272

約数和(自身を除く): 41630688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 83, 101, 102, 136, 144, 153, 166, 202, 204, 249, 272, 303, 306, 332, 404, 408, 498, 606, 612, 664, 747, 808, 816, 909, 996, 1212, 1224, 1328, 1411, 1494, 1616, 1717, 1818, 1992, 2424, 2448, 2822, 2988, 3434, 3636, 3984, 4233, 4848, 5151, 5644, 5976, 6868, 7272, 8383, 8466, 10302, 11288, 11952, 12699, 13736, 14544, 15453, 16766, 16932, 20604, 22576, 25149, 25398, 27472, 30906, 33532, 33864, 41208, 50298, 50796, 61812, 67064, 67728, 75447, 82416, 100596, 101592, 123624, 134128, 142511, 150894, 201192, 203184, 247248, 285022, 301788, 402384, 427533, 570044, 603576, 855066, 1140088, 1207152, 1282599, 1710132, 2280176, 2565198, 3420264, 5130396, 6840528, 10260792, 20521584]

約数ペア:

[(1, 20521584), (2, 10260792), (3, 6840528), (4, 5130396), (6, 3420264), (8, 2565198), (9, 2280176), (12, 1710132), (16, 1282599), (17, 1207152), (18, 1140088), (24, 855066), (34, 603576), (36, 570044), (48, 427533), (51, 402384), (68, 301788), (72, 285022), (83, 247248), (101, 203184), (102, 201192), (136, 150894), (144, 142511), (153, 134128), (166, 123624), (202, 101592), (204, 100596), (249, 82416), (272, 75447), (303, 67728), (306, 67064), (332, 61812), (404, 50796), (408, 50298), (498, 41208), (606, 33864), (612, 33532), (664, 30906), (747, 27472), (808, 25398), (816, 25149), (909, 22576), (996, 20604), (1212, 16932), (1224, 16766), (1328, 15453), (1411, 14544), (1494, 13736), (1616, 12699), (1717, 11952), (1818, 11288), (1992, 10302), (2424, 8466), (2448, 8383), (2822, 7272), (2988, 6868), (3434, 5976), (3636, 5644), (3984, 5151), (4233, 4848)]