20348924760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{991663}}^1$

素因数の和:991702

約数の個数: 128

約数和(自身を含む): 71399808000

約数和(自身を除く): 51050883240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 991663, 1983326, 2974989, 3966652, 4958315, 5949978, 7933304, 8924967, 9916630, 11899956, 14874945, 17849934, 18841597, 19833260, 23799912, 26774901, 29749890, 35699868, 37683194, 39666520, 44624835, 53549802, 56524791, 59499780, 71399736, 75366388, 89249670, 94207985, 107099604, 113049582, 118999560, 133874505, 150732776, 169574373, 178499340, 188415970, 214199208, 226099164, 267749010, 282623955, 339148746, 356998680, 376831940, 452198328, 508723119, 535498020, 565247910, 678297492, 753663880, 847871865, 1017446238, 1070996040, 1130495820, 1356594984, 1695743730, 2034892476, 2260991640, 2543615595, 3391487460, 4069784952, 5087231190, 6782974920, 10174462380, 20348924760]

約数ペア:

[(1, 20348924760), (2, 10174462380), (3, 6782974920), (4, 5087231190), (5, 4069784952), (6, 3391487460), (8, 2543615595), (9, 2260991640), (10, 2034892476), (12, 1695743730), (15, 1356594984), (18, 1130495820), (19, 1070996040), (20, 1017446238), (24, 847871865), (27, 753663880), (30, 678297492), (36, 565247910), (38, 535498020), (40, 508723119), (45, 452198328), (54, 376831940), (57, 356998680), (60, 339148746), (72, 282623955), (76, 267749010), (90, 226099164), (95, 214199208), (108, 188415970), (114, 178499340), (120, 169574373), (135, 150732776), (152, 133874505), (171, 118999560), (180, 113049582), (190, 107099604), (216, 94207985), (228, 89249670), (270, 75366388), (285, 71399736), (342, 59499780), (360, 56524791), (380, 53549802), (456, 44624835), (513, 39666520), (540, 37683194), (570, 35699868), (684, 29749890), (760, 26774901), (855, 23799912), (1026, 19833260), (1080, 18841597), (1140, 17849934), (1368, 14874945), (1710, 11899956), (2052, 9916630), (2280, 8924967), (2565, 7933304), (3420, 5949978), (4104, 4958315), (5130, 3966652), (6840, 2974989), (10260, 1983326), (20520, 991663)]