20797246548

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{42853}}^1$

素因数の和:42954

約数の個数: 144

約数和(自身を含む): 60929131536

約数和(自身を除く): 40131884988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 61, 68, 78, 102, 117, 122, 153, 156, 183, 204, 221, 234, 244, 306, 366, 442, 468, 549, 612, 663, 732, 793, 884, 1037, 1098, 1326, 1586, 1989, 2074, 2196, 2379, 2652, 3111, 3172, 3978, 4148, 4758, 6222, 7137, 7956, 9333, 9516, 12444, 13481, 14274, 18666, 26962, 28548, 37332, 40443, 42853, 53924, 80886, 85706, 121329, 128559, 161772, 171412, 242658, 257118, 385677, 485316, 514236, 557089, 728501, 771354, 1114178, 1457002, 1542708, 1671267, 2185503, 2228356, 2614033, 2914004, 3342534, 4371006, 5013801, 5228066, 6556509, 6685068, 7842099, 8742012, 9470513, 10027602, 10456132, 13113018, 15684198, 18941026, 20055204, 23526297, 26226036, 28411539, 31368396, 33982429, 37882052, 44438561, 47052594, 56823078, 67964858, 85234617, 88877122, 94105188, 101947287, 113646156, 133315683, 135929716, 170469234, 177754244, 203894574, 266631366, 305841861, 340938468, 399947049, 407789148, 533262732, 577701293, 611683722, 799894098, 1155402586, 1223367444, 1599788196, 1733103879, 2310805172, 3466207758, 5199311637, 6932415516, 10398623274, 20797246548]

約数ペア:

[(1, 20797246548), (2, 10398623274), (3, 6932415516), (4, 5199311637), (6, 3466207758), (9, 2310805172), (12, 1733103879), (13, 1599788196), (17, 1223367444), (18, 1155402586), (26, 799894098), (34, 611683722), (36, 577701293), (39, 533262732), (51, 407789148), (52, 399947049), (61, 340938468), (68, 305841861), (78, 266631366), (102, 203894574), (117, 177754244), (122, 170469234), (153, 135929716), (156, 133315683), (183, 113646156), (204, 101947287), (221, 94105188), (234, 88877122), (244, 85234617), (306, 67964858), (366, 56823078), (442, 47052594), (468, 44438561), (549, 37882052), (612, 33982429), (663, 31368396), (732, 28411539), (793, 26226036), (884, 23526297), (1037, 20055204), (1098, 18941026), (1326, 15684198), (1586, 13113018), (1989, 10456132), (2074, 10027602), (2196, 9470513), (2379, 8742012), (2652, 7842099), (3111, 6685068), (3172, 6556509), (3978, 5228066), (4148, 5013801), (4758, 4371006), (6222, 3342534), (7137, 2914004), (7956, 2614033), (9333, 2228356), (9516, 2185503), (12444, 1671267), (13481, 1542708), (14274, 1457002), (18666, 1114178), (26962, 771354), (28548, 728501), (37332, 557089), (40443, 514236), (42853, 485316), (53924, 385677), (80886, 257118), (85706, 242658), (121329, 171412), (128559, 161772)]