20120971750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{73}}^2\times {\mathrm{1373}}^1$

素因数の和:1547

約数の個数: 96

約数和(自身を含む): 41691622752

約数和(自身を除く): 21570651002

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 73, 110, 125, 146, 250, 275, 365, 550, 730, 803, 1373, 1375, 1606, 1825, 2746, 2750, 3650, 4015, 5329, 6865, 8030, 9125, 10658, 13730, 15103, 18250, 20075, 26645, 30206, 34325, 40150, 53290, 58619, 68650, 75515, 100229, 100375, 117238, 133225, 151030, 171625, 200458, 200750, 266450, 293095, 343250, 377575, 501145, 586190, 666125, 755150, 1002290, 1102519, 1332250, 1465475, 1887875, 2205038, 2505725, 2930950, 3775750, 5011450, 5512595, 7316717, 7327375, 11025190, 12528625, 14633434, 14654750, 25057250, 27562975, 36583585, 55125950, 73167170, 80483887, 137814875, 160967774, 182917925, 275629750, 365835850, 402419435, 804838870, 914589625, 1829179250, 2012097175, 4024194350, 10060485875, 20120971750]

約数ペア:

[(1, 20120971750), (2, 10060485875), (5, 4024194350), (10, 2012097175), (11, 1829179250), (22, 914589625), (25, 804838870), (50, 402419435), (55, 365835850), (73, 275629750), (110, 182917925), (125, 160967774), (146, 137814875), (250, 80483887), (275, 73167170), (365, 55125950), (550, 36583585), (730, 27562975), (803, 25057250), (1373, 14654750), (1375, 14633434), (1606, 12528625), (1825, 11025190), (2746, 7327375), (2750, 7316717), (3650, 5512595), (4015, 5011450), (5329, 3775750), (6865, 2930950), (8030, 2505725), (9125, 2205038), (10658, 1887875), (13730, 1465475), (15103, 1332250), (18250, 1102519), (20075, 1002290), (26645, 755150), (30206, 666125), (34325, 586190), (40150, 501145), (53290, 377575), (58619, 343250), (68650, 293095), (75515, 266450), (100229, 200750), (100375, 200458), (117238, 171625), (133225, 151030)]