20173968378

素因数分解:

$2^1\times 3^7\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1787}}^1$

素因数の和:1928

約数の個数: 128

約数和(自身を含む): 47503584000

約数和(自身を除く): 27329615622

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 81, 87, 89, 162, 174, 178, 243, 261, 267, 486, 522, 534, 729, 783, 801, 1458, 1566, 1602, 1787, 2187, 2349, 2403, 2581, 3574, 4374, 4698, 4806, 5162, 5361, 7047, 7209, 7743, 10722, 14094, 14418, 15486, 16083, 21141, 21627, 23229, 32166, 42282, 43254, 46458, 48249, 51823, 63423, 64881, 69687, 96498, 103646, 126846, 129762, 139374, 144747, 155469, 159043, 194643, 209061, 289494, 310938, 318086, 389286, 418122, 434241, 466407, 477129, 627183, 868482, 932814, 954258, 1254366, 1302723, 1399221, 1431387, 1881549, 2605446, 2798442, 2862774, 3763098, 3908169, 4197663, 4294161, 4612247, 5644647, 7816338, 8395326, 8588322, 9224494, 11289294, 12592989, 12882483, 13836741, 25185978, 25764966, 27673482, 37778967, 38647449, 41510223, 75557934, 77294898, 83020446, 113336901, 115942347, 124530669, 226673802, 231884694, 249061338, 347827041, 373592007, 695654082, 747184014, 1120776021, 2241552042, 3362328063, 6724656126, 10086984189, 20173968378]

約数ペア:

[(1, 20173968378), (2, 10086984189), (3, 6724656126), (6, 3362328063), (9, 2241552042), (18, 1120776021), (27, 747184014), (29, 695654082), (54, 373592007), (58, 347827041), (81, 249061338), (87, 231884694), (89, 226673802), (162, 124530669), (174, 115942347), (178, 113336901), (243, 83020446), (261, 77294898), (267, 75557934), (486, 41510223), (522, 38647449), (534, 37778967), (729, 27673482), (783, 25764966), (801, 25185978), (1458, 13836741), (1566, 12882483), (1602, 12592989), (1787, 11289294), (2187, 9224494), (2349, 8588322), (2403, 8395326), (2581, 7816338), (3574, 5644647), (4374, 4612247), (4698, 4294161), (4806, 4197663), (5162, 3908169), (5361, 3763098), (7047, 2862774), (7209, 2798442), (7743, 2605446), (10722, 1881549), (14094, 1431387), (14418, 1399221), (15486, 1302723), (16083, 1254366), (21141, 954258), (21627, 932814), (23229, 868482), (32166, 627183), (42282, 477129), (43254, 466407), (46458, 434241), (48249, 418122), (51823, 389286), (63423, 318086), (64881, 310938), (69687, 289494), (96498, 209061), (103646, 194643), (126846, 159043), (129762, 155469), (139374, 144747)]