20073248

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 43207416

約数和(自身を除く): 23134168

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 73, 104, 146, 208, 292, 416, 584, 661, 949, 1168, 1322, 1898, 2336, 2644, 3796, 5288, 7592, 8593, 10576, 15184, 17186, 21152, 30368, 34372, 48253, 68744, 96506, 137488, 193012, 274976, 386024, 627289, 772048, 1254578, 1544096, 2509156, 5018312, 10036624, 20073248]

約数ペア:

[(1, 20073248), (2, 10036624), (4, 5018312), (8, 2509156), (13, 1544096), (16, 1254578), (26, 772048), (32, 627289), (52, 386024), (73, 274976), (104, 193012), (146, 137488), (208, 96506), (292, 68744), (416, 48253), (584, 34372), (661, 30368), (949, 21152), (1168, 17186), (1322, 15184), (1898, 10576), (2336, 8593), (2644, 7592), (3796, 5288)]