20120141860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{19991}}^1$

素因数の和:20106

約数の個数: 144

約数和(自身を含む): 53604149760

約数和(自身を除く): 33484007900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 79, 91, 98, 130, 140, 158, 182, 196, 245, 260, 316, 364, 395, 455, 490, 553, 637, 790, 910, 980, 1027, 1106, 1274, 1580, 1820, 2054, 2212, 2548, 2765, 3185, 3871, 4108, 5135, 5530, 6370, 7189, 7742, 10270, 11060, 12740, 14378, 15484, 19355, 19991, 20540, 28756, 35945, 38710, 39982, 50323, 71890, 77420, 79964, 99955, 100646, 139937, 143780, 199910, 201292, 251615, 259883, 279874, 399820, 503230, 519766, 559748, 699685, 979559, 1006460, 1039532, 1299415, 1399370, 1579289, 1819181, 1959118, 2598830, 2798740, 3158578, 3638362, 3918236, 4897795, 5197660, 6317156, 7276724, 7896445, 9095905, 9795590, 11055023, 12734267, 15792890, 18191810, 19591180, 20530757, 22110046, 25468534, 31585780, 36383620, 41061514, 44220092, 50937068, 55275115, 63671335, 77385161, 82123028, 102653785, 110550230, 127342670, 143715299, 154770322, 205307570, 221100460, 254685340, 287430598, 309540644, 386925805, 410615140, 574861196, 718576495, 773851610, 1006007093, 1437152990, 1547703220, 2012014186, 2874305980, 4024028372, 5030035465, 10060070930, 20120141860]

約数ペア:

[(1, 20120141860), (2, 10060070930), (4, 5030035465), (5, 4024028372), (7, 2874305980), (10, 2012014186), (13, 1547703220), (14, 1437152990), (20, 1006007093), (26, 773851610), (28, 718576495), (35, 574861196), (49, 410615140), (52, 386925805), (65, 309540644), (70, 287430598), (79, 254685340), (91, 221100460), (98, 205307570), (130, 154770322), (140, 143715299), (158, 127342670), (182, 110550230), (196, 102653785), (245, 82123028), (260, 77385161), (316, 63671335), (364, 55275115), (395, 50937068), (455, 44220092), (490, 41061514), (553, 36383620), (637, 31585780), (790, 25468534), (910, 22110046), (980, 20530757), (1027, 19591180), (1106, 18191810), (1274, 15792890), (1580, 12734267), (1820, 11055023), (2054, 9795590), (2212, 9095905), (2548, 7896445), (2765, 7276724), (3185, 6317156), (3871, 5197660), (4108, 4897795), (5135, 3918236), (5530, 3638362), (6370, 3158578), (7189, 2798740), (7742, 2598830), (10270, 1959118), (11060, 1819181), (12740, 1579289), (14378, 1399370), (15484, 1299415), (19355, 1039532), (19991, 1006460), (20540, 979559), (28756, 699685), (35945, 559748), (38710, 519766), (39982, 503230), (50323, 399820), (71890, 279874), (77420, 259883), (79964, 251615), (99955, 201292), (100646, 199910), (139937, 143780)]