20790588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 60712960

約数和(自身を除く): 39922372

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 79, 84, 91, 156, 158, 182, 237, 241, 273, 316, 364, 474, 482, 546, 553, 723, 948, 964, 1027, 1092, 1106, 1446, 1659, 1687, 2054, 2212, 2892, 3081, 3133, 3318, 3374, 4108, 5061, 6162, 6266, 6636, 6748, 7189, 9399, 10122, 12324, 12532, 14378, 18798, 19039, 20244, 21567, 21931, 28756, 37596, 38078, 43134, 43862, 57117, 65793, 76156, 86268, 87724, 114234, 131586, 133273, 228468, 247507, 263172, 266546, 399819, 495014, 533092, 742521, 799638, 990028, 1485042, 1599276, 1732549, 2970084, 3465098, 5197647, 6930196, 10395294, 20790588]

約数ペア:

[(1, 20790588), (2, 10395294), (3, 6930196), (4, 5197647), (6, 3465098), (7, 2970084), (12, 1732549), (13, 1599276), (14, 1485042), (21, 990028), (26, 799638), (28, 742521), (39, 533092), (42, 495014), (52, 399819), (78, 266546), (79, 263172), (84, 247507), (91, 228468), (156, 133273), (158, 131586), (182, 114234), (237, 87724), (241, 86268), (273, 76156), (316, 65793), (364, 57117), (474, 43862), (482, 43134), (546, 38078), (553, 37596), (723, 28756), (948, 21931), (964, 21567), (1027, 20244), (1092, 19039), (1106, 18798), (1446, 14378), (1659, 12532), (1687, 12324), (2054, 10122), (2212, 9399), (2892, 7189), (3081, 6748), (3133, 6636), (3318, 6266), (3374, 6162), (4108, 5061)]