20285824

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 44382240

約数和(自身を除く): 24096416

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 73, 104, 128, 146, 167, 208, 292, 334, 416, 584, 668, 832, 949, 1168, 1336, 1664, 1898, 2171, 2336, 2672, 3796, 4342, 4672, 5344, 7592, 8684, 9344, 10688, 12191, 15184, 17368, 21376, 24382, 30368, 34736, 48764, 60736, 69472, 97528, 121472, 138944, 158483, 195056, 277888, 316966, 390112, 633932, 780224, 1267864, 1560448, 2535728, 5071456, 10142912, 20285824]

約数ペア:

[(1, 20285824), (2, 10142912), (4, 5071456), (8, 2535728), (13, 1560448), (16, 1267864), (26, 780224), (32, 633932), (52, 390112), (64, 316966), (73, 277888), (104, 195056), (128, 158483), (146, 138944), (167, 121472), (208, 97528), (292, 69472), (334, 60736), (416, 48764), (584, 34736), (668, 30368), (832, 24382), (949, 21376), (1168, 17368), (1336, 15184), (1664, 12191), (1898, 10688), (2171, 9344), (2336, 8684), (2672, 7592), (3796, 5344), (4342, 4672)]