20865936

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:329

約数の個数: 160

約数和(自身を含む): 70495488

約数和(自身を除く): 49629552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 34, 39, 42, 48, 51, 52, 56, 68, 78, 84, 91, 102, 104, 112, 119, 136, 156, 168, 182, 204, 208, 221, 238, 272, 273, 281, 312, 336, 357, 364, 408, 442, 476, 546, 562, 624, 663, 714, 728, 816, 843, 884, 952, 1092, 1124, 1326, 1428, 1456, 1547, 1686, 1768, 1904, 1967, 2184, 2248, 2652, 2856, 3094, 3372, 3536, 3653, 3934, 4368, 4496, 4641, 4777, 5304, 5712, 5901, 6188, 6744, 7306, 7868, 9282, 9554, 10608, 10959, 11802, 12376, 13488, 14331, 14612, 15736, 18564, 19108, 21918, 23604, 24752, 25571, 28662, 29224, 31472, 33439, 37128, 38216, 43836, 47208, 51142, 57324, 58448, 62101, 66878, 74256, 76432, 76713, 87672, 94416, 100317, 102284, 114648, 124202, 133756, 153426, 175344, 186303, 200634, 204568, 229296, 248404, 267512, 306852, 372606, 401268, 409136, 434707, 496808, 535024, 613704, 745212, 802536, 869414, 993616, 1227408, 1304121, 1490424, 1605072, 1738828, 2608242, 2980848, 3477656, 5216484, 6955312, 10432968, 20865936]

約数ペア:

[(1, 20865936), (2, 10432968), (3, 6955312), (4, 5216484), (6, 3477656), (7, 2980848), (8, 2608242), (12, 1738828), (13, 1605072), (14, 1490424), (16, 1304121), (17, 1227408), (21, 993616), (24, 869414), (26, 802536), (28, 745212), (34, 613704), (39, 535024), (42, 496808), (48, 434707), (51, 409136), (52, 401268), (56, 372606), (68, 306852), (78, 267512), (84, 248404), (91, 229296), (102, 204568), (104, 200634), (112, 186303), (119, 175344), (136, 153426), (156, 133756), (168, 124202), (182, 114648), (204, 102284), (208, 100317), (221, 94416), (238, 87672), (272, 76713), (273, 76432), (281, 74256), (312, 66878), (336, 62101), (357, 58448), (364, 57324), (408, 51142), (442, 47208), (476, 43836), (546, 38216), (562, 37128), (624, 33439), (663, 31472), (714, 29224), (728, 28662), (816, 25571), (843, 24752), (884, 23604), (952, 21918), (1092, 19108), (1124, 18564), (1326, 15736), (1428, 14612), (1456, 14331), (1547, 13488), (1686, 12376), (1768, 11802), (1904, 10959), (1967, 10608), (2184, 9554), (2248, 9282), (2652, 7868), (2856, 7306), (3094, 6744), (3372, 6188), (3536, 5901), (3653, 5712), (3934, 5304), (4368, 4777), (4496, 4641)]