20764543872

素因数分解:

$2^7\times 3^1\times {\mathrm{197}}^1\times {\mathrm{274489}}^1$

素因数の和:274703

約数の個数: 64

約数和(自身を含む): 55436000400

約数和(自身を除く): 34671456528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 197, 384, 394, 591, 788, 1182, 1576, 2364, 3152, 4728, 6304, 9456, 12608, 18912, 25216, 37824, 75648, 274489, 548978, 823467, 1097956, 1646934, 2195912, 3293868, 4391824, 6587736, 8783648, 13175472, 17567296, 26350944, 35134592, 52701888, 54074333, 105403776, 108148666, 162222999, 216297332, 324445998, 432594664, 648891996, 865189328, 1297783992, 1730378656, 2595567984, 3460757312, 5191135968, 6921514624, 10382271936, 20764543872]

約数ペア:

[(1, 20764543872), (2, 10382271936), (3, 6921514624), (4, 5191135968), (6, 3460757312), (8, 2595567984), (12, 1730378656), (16, 1297783992), (24, 865189328), (32, 648891996), (48, 432594664), (64, 324445998), (96, 216297332), (128, 162222999), (192, 108148666), (197, 105403776), (384, 54074333), (394, 52701888), (591, 35134592), (788, 26350944), (1182, 17567296), (1576, 13175472), (2364, 8783648), (3152, 6587736), (4728, 4391824), (6304, 3293868), (9456, 2195912), (12608, 1646934), (18912, 1097956), (25216, 823467), (37824, 548978), (75648, 274489)]