20649504

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{11321}}^1$

素因数の和:11353

約数の個数: 48

約数和(自身を含む): 57062880

約数和(自身を除く): 36413376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 456, 608, 912, 1824, 11321, 22642, 33963, 45284, 67926, 90568, 135852, 181136, 215099, 271704, 362272, 430198, 543408, 645297, 860396, 1086816, 1290594, 1720792, 2581188, 3441584, 5162376, 6883168, 10324752, 20649504]

約数ペア:

[(1, 20649504), (2, 10324752), (3, 6883168), (4, 5162376), (6, 3441584), (8, 2581188), (12, 1720792), (16, 1290594), (19, 1086816), (24, 860396), (32, 645297), (38, 543408), (48, 430198), (57, 362272), (76, 271704), (96, 215099), (114, 181136), (152, 135852), (228, 90568), (304, 67926), (456, 45284), (608, 33963), (912, 22642), (1824, 11321)]