20319104

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12211}}^1$

素因数の和:12238

約数の個数: 32

約数和(自身を含む): 43596840

約数和(自身を除く): 23277736

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12211, 24422, 48844, 97688, 158743, 195376, 317486, 390752, 634972, 781504, 1269944, 1563008, 2539888, 5079776, 10159552, 20319104]

約数ペア:

[(1, 20319104), (2, 10159552), (4, 5079776), (8, 2539888), (13, 1563008), (16, 1269944), (26, 781504), (32, 634972), (52, 390752), (64, 317486), (104, 195376), (128, 158743), (208, 97688), (416, 48844), (832, 24422), (1664, 12211)]