20042358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 47803392

約数和(自身を除く): 27761034

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 103, 113, 123, 206, 226, 246, 287, 309, 339, 574, 618, 678, 721, 791, 861, 1442, 1582, 1722, 2163, 2373, 4223, 4326, 4633, 4746, 8446, 9266, 11639, 12669, 13899, 23278, 25338, 27798, 29561, 32431, 34917, 59122, 64862, 69834, 81473, 88683, 97293, 162946, 177366, 194586, 244419, 477199, 488838, 954398, 1431597, 2863194, 3340393, 6680786, 10021179, 20042358]

約数ペア:

[(1, 20042358), (2, 10021179), (3, 6680786), (6, 3340393), (7, 2863194), (14, 1431597), (21, 954398), (41, 488838), (42, 477199), (82, 244419), (103, 194586), (113, 177366), (123, 162946), (206, 97293), (226, 88683), (246, 81473), (287, 69834), (309, 64862), (339, 59122), (574, 34917), (618, 32431), (678, 29561), (721, 27798), (791, 25338), (861, 23278), (1442, 13899), (1582, 12669), (1722, 11639), (2163, 9266), (2373, 8446), (4223, 4746), (4326, 4633)]