20314528

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1039}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 23714912

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 188, 208, 376, 416, 611, 752, 1039, 1222, 1504, 2078, 2444, 4156, 4888, 8312, 9776, 13507, 16624, 19552, 27014, 33248, 48833, 54028, 97666, 108056, 195332, 216112, 390664, 432224, 634829, 781328, 1269658, 1562656, 2539316, 5078632, 10157264, 20314528]

約数ペア:

[(1, 20314528), (2, 10157264), (4, 5078632), (8, 2539316), (13, 1562656), (16, 1269658), (26, 781328), (32, 634829), (47, 432224), (52, 390664), (94, 216112), (104, 195332), (188, 108056), (208, 97666), (376, 54028), (416, 48833), (611, 33248), (752, 27014), (1039, 19552), (1222, 16624), (1504, 13507), (2078, 9776), (2444, 8312), (4156, 4888)]