20180899494

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{25219}}^1$

素因数の和:25339

約数の個数: 128

約数和(自身を含む): 53748864000

約数和(自身を除く): 33567964506

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 73, 87, 126, 146, 174, 189, 203, 219, 261, 378, 406, 438, 511, 522, 609, 657, 783, 1022, 1218, 1314, 1533, 1566, 1827, 1971, 2117, 3066, 3654, 3942, 4234, 4599, 5481, 6351, 9198, 10962, 12702, 13797, 14819, 19053, 25219, 27594, 29638, 38106, 44457, 50438, 57159, 75657, 88914, 114318, 133371, 151314, 176533, 226971, 266742, 353066, 400113, 453942, 529599, 680913, 731351, 800226, 1059198, 1361826, 1462702, 1588797, 1840987, 2194053, 3177594, 3681974, 4388106, 4766391, 5119457, 5522961, 6582159, 9532782, 10238914, 11045922, 12886909, 13164318, 15358371, 16568883, 19746477, 25773818, 30716742, 33137766, 38660727, 39492954, 46075113, 49706649, 53388623, 77321454, 92150226, 99413298, 106777246, 115982181, 138225339, 160165869, 231964362, 276450678, 320331738, 347946543, 373720361, 480497607, 695893086, 747440722, 960995214, 1121161083, 1441492821, 2242322166, 2882985642, 3363483249, 6726966498, 10090449747, 20180899494]

約数ペア:

[(1, 20180899494), (2, 10090449747), (3, 6726966498), (6, 3363483249), (7, 2882985642), (9, 2242322166), (14, 1441492821), (18, 1121161083), (21, 960995214), (27, 747440722), (29, 695893086), (42, 480497607), (54, 373720361), (58, 347946543), (63, 320331738), (73, 276450678), (87, 231964362), (126, 160165869), (146, 138225339), (174, 115982181), (189, 106777246), (203, 99413298), (219, 92150226), (261, 77321454), (378, 53388623), (406, 49706649), (438, 46075113), (511, 39492954), (522, 38660727), (609, 33137766), (657, 30716742), (783, 25773818), (1022, 19746477), (1218, 16568883), (1314, 15358371), (1533, 13164318), (1566, 12886909), (1827, 11045922), (1971, 10238914), (2117, 9532782), (3066, 6582159), (3654, 5522961), (3942, 5119457), (4234, 4766391), (4599, 4388106), (5481, 3681974), (6351, 3177594), (9198, 2194053), (10962, 1840987), (12702, 1588797), (13797, 1462702), (14819, 1361826), (19053, 1059198), (25219, 800226), (27594, 731351), (29638, 680913), (38106, 529599), (44457, 453942), (50438, 400113), (57159, 353066), (75657, 266742), (88914, 226971), (114318, 176533), (133371, 151314)]