20207226

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 45997056

約数和(自身を除く): 25789830

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 61, 62, 78, 93, 122, 137, 183, 186, 274, 366, 403, 411, 793, 806, 822, 1209, 1586, 1781, 1891, 2379, 2418, 3562, 3782, 4247, 4758, 5343, 5673, 8357, 8494, 10686, 11346, 12741, 16714, 24583, 25071, 25482, 49166, 50142, 55211, 73749, 108641, 110422, 147498, 165633, 217282, 259067, 325923, 331266, 518134, 651846, 777201, 1554402, 3367871, 6735742, 10103613, 20207226]

約数ペア:

[(1, 20207226), (2, 10103613), (3, 6735742), (6, 3367871), (13, 1554402), (26, 777201), (31, 651846), (39, 518134), (61, 331266), (62, 325923), (78, 259067), (93, 217282), (122, 165633), (137, 147498), (183, 110422), (186, 108641), (274, 73749), (366, 55211), (403, 50142), (411, 49166), (793, 25482), (806, 25071), (822, 24583), (1209, 16714), (1586, 12741), (1781, 11346), (1891, 10686), (2379, 8494), (2418, 8357), (3562, 5673), (3782, 5343), (4247, 4758)]