20859072

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 112

約数和(自身を含む): 60850272

約数和(自身を除く): 39991200

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 61, 64, 78, 96, 104, 122, 137, 156, 183, 192, 208, 244, 274, 312, 366, 411, 416, 488, 548, 624, 732, 793, 822, 832, 976, 1096, 1248, 1464, 1586, 1644, 1781, 1952, 2192, 2379, 2496, 2928, 3172, 3288, 3562, 3904, 4384, 4758, 5343, 5856, 6344, 6576, 7124, 8357, 8768, 9516, 10686, 11712, 12688, 13152, 14248, 16714, 19032, 21372, 25071, 25376, 26304, 28496, 33428, 38064, 42744, 50142, 50752, 56992, 66856, 76128, 85488, 100284, 108641, 113984, 133712, 152256, 170976, 200568, 217282, 267424, 325923, 341952, 401136, 434564, 534848, 651846, 802272, 869128, 1303692, 1604544, 1738256, 2607384, 3476512, 5214768, 6953024, 10429536, 20859072]

約数ペア:

[(1, 20859072), (2, 10429536), (3, 6953024), (4, 5214768), (6, 3476512), (8, 2607384), (12, 1738256), (13, 1604544), (16, 1303692), (24, 869128), (26, 802272), (32, 651846), (39, 534848), (48, 434564), (52, 401136), (61, 341952), (64, 325923), (78, 267424), (96, 217282), (104, 200568), (122, 170976), (137, 152256), (156, 133712), (183, 113984), (192, 108641), (208, 100284), (244, 85488), (274, 76128), (312, 66856), (366, 56992), (411, 50752), (416, 50142), (488, 42744), (548, 38064), (624, 33428), (732, 28496), (793, 26304), (822, 25376), (832, 25071), (976, 21372), (1096, 19032), (1248, 16714), (1464, 14248), (1586, 13152), (1644, 12688), (1781, 11712), (1952, 10686), (2192, 9516), (2379, 8768), (2496, 8357), (2928, 7124), (3172, 6576), (3288, 6344), (3562, 5856), (3904, 5343), (4384, 4758)]