20118442491

素因数分解:

$3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{4547}}^1$

素因数の和:4773

約数の個数: 72

約数和(自身を含む): 34509496320

約数和(自身を除く): 14391053829

約数列:

[1, 3, 7, 9, 21, 49, 63, 79, 127, 147, 237, 381, 441, 553, 711, 889, 1143, 1659, 2667, 3871, 4547, 4977, 6223, 8001, 10033, 11613, 13641, 18669, 30099, 31829, 34839, 40923, 56007, 70231, 90297, 95487, 210693, 222803, 286461, 359213, 491617, 577469, 632079, 668409, 1077639, 1474851, 1732407, 2005227, 2514491, 3232917, 4042283, 4424553, 5197221, 7543473, 12126849, 17601437, 22630419, 28295981, 36380547, 45620051, 52804311, 84887943, 136860153, 158412933, 254663829, 319340357, 410580459, 958021071, 2235382499, 2874063213, 6706147497, 20118442491]

約数ペア:

[(1, 20118442491), (3, 6706147497), (7, 2874063213), (9, 2235382499), (21, 958021071), (49, 410580459), (63, 319340357), (79, 254663829), (127, 158412933), (147, 136860153), (237, 84887943), (381, 52804311), (441, 45620051), (553, 36380547), (711, 28295981), (889, 22630419), (1143, 17601437), (1659, 12126849), (2667, 7543473), (3871, 5197221), (4547, 4424553), (4977, 4042283), (6223, 3232917), (8001, 2514491), (10033, 2005227), (11613, 1732407), (13641, 1474851), (18669, 1077639), (30099, 668409), (31829, 632079), (34839, 577469), (40923, 491617), (56007, 359213), (70231, 286461), (90297, 222803), (95487, 210693)]