20433456

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^2\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 90

約数和(自身を含む): 60870732

約数和(自身を除く): 40437276

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 289, 306, 408, 491, 578, 612, 816, 867, 982, 1156, 1224, 1473, 1734, 1964, 2312, 2448, 2601, 2946, 3468, 3928, 4419, 4624, 5202, 5892, 6936, 7856, 8347, 8838, 10404, 11784, 13872, 16694, 17676, 20808, 23568, 25041, 33388, 35352, 41616, 50082, 66776, 70704, 75123, 100164, 133552, 141899, 150246, 200328, 283798, 300492, 400656, 425697, 567596, 600984, 851394, 1135192, 1201968, 1277091, 1702788, 2270384, 2554182, 3405576, 5108364, 6811152, 10216728, 20433456]

約数ペア:

[(1, 20433456), (2, 10216728), (3, 6811152), (4, 5108364), (6, 3405576), (8, 2554182), (9, 2270384), (12, 1702788), (16, 1277091), (17, 1201968), (18, 1135192), (24, 851394), (34, 600984), (36, 567596), (48, 425697), (51, 400656), (68, 300492), (72, 283798), (102, 200328), (136, 150246), (144, 141899), (153, 133552), (204, 100164), (272, 75123), (289, 70704), (306, 66776), (408, 50082), (491, 41616), (578, 35352), (612, 33388), (816, 25041), (867, 23568), (982, 20808), (1156, 17676), (1224, 16694), (1473, 13872), (1734, 11784), (1964, 10404), (2312, 8838), (2448, 8347), (2601, 7856), (2946, 6936), (3468, 5892), (3928, 5202), (4419, 4624)]