20494008

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 59529600

約数和(自身を除く): 39035592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 71, 72, 76, 114, 142, 152, 171, 211, 213, 228, 284, 342, 422, 426, 456, 568, 633, 639, 684, 844, 852, 1266, 1278, 1349, 1368, 1688, 1704, 1899, 2532, 2556, 2698, 3798, 4009, 4047, 5064, 5112, 5396, 7596, 8018, 8094, 10792, 12027, 12141, 14981, 15192, 16036, 16188, 24054, 24282, 29962, 32072, 32376, 36081, 44943, 48108, 48564, 59924, 72162, 89886, 96216, 97128, 119848, 134829, 144324, 179772, 269658, 284639, 288648, 359544, 539316, 569278, 853917, 1078632, 1138556, 1707834, 2277112, 2561751, 3415668, 5123502, 6831336, 10247004, 20494008]

約数ペア:

[(1, 20494008), (2, 10247004), (3, 6831336), (4, 5123502), (6, 3415668), (8, 2561751), (9, 2277112), (12, 1707834), (18, 1138556), (19, 1078632), (24, 853917), (36, 569278), (38, 539316), (57, 359544), (71, 288648), (72, 284639), (76, 269658), (114, 179772), (142, 144324), (152, 134829), (171, 119848), (211, 97128), (213, 96216), (228, 89886), (284, 72162), (342, 59924), (422, 48564), (426, 48108), (456, 44943), (568, 36081), (633, 32376), (639, 32072), (684, 29962), (844, 24282), (852, 24054), (1266, 16188), (1278, 16036), (1349, 15192), (1368, 14981), (1688, 12141), (1704, 12027), (1899, 10792), (2532, 8094), (2556, 8018), (2698, 7596), (3798, 5396), (4009, 5112), (4047, 5064)]