20120814

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 53374464

約数和(自身を除く): 33253650

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 53, 63, 69, 106, 126, 131, 138, 159, 161, 207, 262, 318, 322, 371, 393, 414, 477, 483, 742, 786, 917, 954, 966, 1113, 1179, 1219, 1449, 1834, 2226, 2358, 2438, 2751, 2898, 3013, 3339, 3657, 5502, 6026, 6678, 6943, 7314, 8253, 8533, 9039, 10971, 13886, 16506, 17066, 18078, 20829, 21091, 21942, 25599, 27117, 41658, 42182, 48601, 51198, 54234, 62487, 63273, 76797, 97202, 124974, 126546, 145803, 153594, 159689, 189819, 291606, 319378, 379638, 437409, 479067, 874818, 958134, 1117823, 1437201, 2235646, 2874402, 3353469, 6706938, 10060407, 20120814]

約数ペア:

[(1, 20120814), (2, 10060407), (3, 6706938), (6, 3353469), (7, 2874402), (9, 2235646), (14, 1437201), (18, 1117823), (21, 958134), (23, 874818), (42, 479067), (46, 437409), (53, 379638), (63, 319378), (69, 291606), (106, 189819), (126, 159689), (131, 153594), (138, 145803), (159, 126546), (161, 124974), (207, 97202), (262, 76797), (318, 63273), (322, 62487), (371, 54234), (393, 51198), (414, 48601), (477, 42182), (483, 41658), (742, 27117), (786, 25599), (917, 21942), (954, 21091), (966, 20829), (1113, 18078), (1179, 17066), (1219, 16506), (1449, 13886), (1834, 10971), (2226, 9039), (2358, 8533), (2438, 8253), (2751, 7314), (2898, 6943), (3013, 6678), (3339, 6026), (3657, 5502)]