20457936

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 120

約数和(自身を含む): 62065224

約数和(自身を除く): 41607288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 61, 68, 72, 102, 122, 136, 137, 144, 153, 183, 204, 244, 272, 274, 306, 366, 408, 411, 488, 548, 549, 612, 732, 816, 822, 976, 1037, 1096, 1098, 1224, 1233, 1464, 1644, 2074, 2192, 2196, 2329, 2448, 2466, 2928, 3111, 3288, 4148, 4392, 4658, 4932, 6222, 6576, 6987, 8296, 8357, 8784, 9316, 9333, 9864, 12444, 13974, 16592, 16714, 18632, 18666, 19728, 20961, 24888, 25071, 27948, 33428, 37264, 37332, 41922, 49776, 50142, 55896, 66856, 74664, 75213, 83844, 100284, 111792, 133712, 142069, 149328, 150426, 167688, 200568, 284138, 300852, 335376, 401136, 426207, 568276, 601704, 852414, 1136552, 1203408, 1278621, 1704828, 2273104, 2557242, 3409656, 5114484, 6819312, 10228968, 20457936]

約数ペア:

[(1, 20457936), (2, 10228968), (3, 6819312), (4, 5114484), (6, 3409656), (8, 2557242), (9, 2273104), (12, 1704828), (16, 1278621), (17, 1203408), (18, 1136552), (24, 852414), (34, 601704), (36, 568276), (48, 426207), (51, 401136), (61, 335376), (68, 300852), (72, 284138), (102, 200568), (122, 167688), (136, 150426), (137, 149328), (144, 142069), (153, 133712), (183, 111792), (204, 100284), (244, 83844), (272, 75213), (274, 74664), (306, 66856), (366, 55896), (408, 50142), (411, 49776), (488, 41922), (548, 37332), (549, 37264), (612, 33428), (732, 27948), (816, 25071), (822, 24888), (976, 20961), (1037, 19728), (1096, 18666), (1098, 18632), (1224, 16714), (1233, 16592), (1464, 13974), (1644, 12444), (2074, 9864), (2192, 9333), (2196, 9316), (2329, 8784), (2448, 8357), (2466, 8296), (2928, 6987), (3111, 6576), (3288, 6222), (4148, 4932), (4392, 4658)]