20217504942

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1\times {\mathrm{2089}}^1$

素因数の和:2458

約数の個数: 96

約数和(自身を含む): 46394187840

約数和(自身を除く): 26176682898

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 97, 138, 194, 207, 241, 291, 414, 482, 582, 723, 873, 1446, 1746, 2089, 2169, 2231, 4178, 4338, 4462, 5543, 6267, 6693, 11086, 12534, 13386, 16629, 18801, 20079, 23377, 33258, 37602, 40158, 46754, 48047, 49887, 70131, 96094, 99774, 140262, 144141, 202633, 210393, 288282, 405266, 420786, 432423, 503449, 537671, 607899, 864846, 1006898, 1075342, 1215798, 1510347, 1613013, 1823697, 3020694, 3226026, 3647394, 4531041, 4660559, 4839039, 9062082, 9321118, 9678078, 11579327, 13981677, 23158654, 27963354, 34737981, 41945031, 48834553, 69475962, 83890062, 97669106, 104213943, 146503659, 208427886, 293007318, 439510977, 879021954, 1123194719, 2246389438, 3369584157, 6739168314, 10108752471, 20217504942]

約数ペア:

[(1, 20217504942), (2, 10108752471), (3, 6739168314), (6, 3369584157), (9, 2246389438), (18, 1123194719), (23, 879021954), (46, 439510977), (69, 293007318), (97, 208427886), (138, 146503659), (194, 104213943), (207, 97669106), (241, 83890062), (291, 69475962), (414, 48834553), (482, 41945031), (582, 34737981), (723, 27963354), (873, 23158654), (1446, 13981677), (1746, 11579327), (2089, 9678078), (2169, 9321118), (2231, 9062082), (4178, 4839039), (4338, 4660559), (4462, 4531041), (5543, 3647394), (6267, 3226026), (6693, 3020694), (11086, 1823697), (12534, 1613013), (13386, 1510347), (16629, 1215798), (18801, 1075342), (20079, 1006898), (23377, 864846), (33258, 607899), (37602, 537671), (40158, 503449), (46754, 432423), (48047, 420786), (49887, 405266), (70131, 288282), (96094, 210393), (99774, 202633), (140262, 144141)]