20823452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 41112960

約数和(自身を除く): 20289508

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 79, 137, 148, 158, 274, 316, 481, 548, 962, 1027, 1781, 1924, 2054, 2923, 3562, 4108, 5069, 5846, 7124, 10138, 10823, 11692, 20276, 21646, 37999, 43292, 65897, 75998, 131794, 140699, 151996, 263588, 281398, 400451, 562796, 800902, 1601804, 5205863, 10411726, 20823452]

約数ペア:

[(1, 20823452), (2, 10411726), (4, 5205863), (13, 1601804), (26, 800902), (37, 562796), (52, 400451), (74, 281398), (79, 263588), (137, 151996), (148, 140699), (158, 131794), (274, 75998), (316, 65897), (481, 43292), (548, 37999), (962, 21646), (1027, 20276), (1781, 11692), (1924, 10823), (2054, 10138), (2923, 7124), (3562, 5846), (4108, 5069)]