20765581668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{13249}}^1$

素因数の和:13486

約数の個数: 144

約数和(自身を含む): 60162102000

約数和(自身を除く): 39396520332

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 197, 204, 221, 234, 306, 394, 442, 468, 591, 612, 663, 788, 884, 1182, 1326, 1773, 1989, 2364, 2561, 2652, 3349, 3546, 3978, 5122, 6698, 7092, 7683, 7956, 10047, 10244, 13249, 13396, 15366, 20094, 23049, 26498, 30141, 30732, 39747, 40188, 43537, 46098, 52996, 60282, 79494, 87074, 92196, 119241, 120564, 130611, 158988, 172237, 174148, 225233, 238482, 261222, 344474, 391833, 450466, 476964, 516711, 522444, 675699, 688948, 783666, 900932, 1033422, 1351398, 1550133, 1567332, 2027097, 2066844, 2610053, 2702796, 2928029, 3100266, 4054194, 5220106, 5856058, 6200532, 7830159, 8108388, 8784087, 10440212, 11712116, 15660318, 17568174, 23490477, 26352261, 31320636, 33930689, 35136348, 44370901, 46980954, 52704522, 67861378, 88741802, 93961908, 101792067, 105409044, 133112703, 135722756, 177483604, 203584134, 266225406, 305376201, 399338109, 407168268, 532450812, 576821713, 610752402, 798676218, 1153643426, 1221504804, 1597352436, 1730465139, 2307286852, 3460930278, 5191395417, 6921860556, 10382790834, 20765581668]

約数ペア:

[(1, 20765581668), (2, 10382790834), (3, 6921860556), (4, 5191395417), (6, 3460930278), (9, 2307286852), (12, 1730465139), (13, 1597352436), (17, 1221504804), (18, 1153643426), (26, 798676218), (34, 610752402), (36, 576821713), (39, 532450812), (51, 407168268), (52, 399338109), (68, 305376201), (78, 266225406), (102, 203584134), (117, 177483604), (153, 135722756), (156, 133112703), (197, 105409044), (204, 101792067), (221, 93961908), (234, 88741802), (306, 67861378), (394, 52704522), (442, 46980954), (468, 44370901), (591, 35136348), (612, 33930689), (663, 31320636), (788, 26352261), (884, 23490477), (1182, 17568174), (1326, 15660318), (1773, 11712116), (1989, 10440212), (2364, 8784087), (2561, 8108388), (2652, 7830159), (3349, 6200532), (3546, 5856058), (3978, 5220106), (5122, 4054194), (6698, 3100266), (7092, 2928029), (7683, 2702796), (7956, 2610053), (10047, 2066844), (10244, 2027097), (13249, 1567332), (13396, 1550133), (15366, 1351398), (20094, 1033422), (23049, 900932), (26498, 783666), (30141, 688948), (30732, 675699), (39747, 522444), (40188, 516711), (43537, 476964), (46098, 450466), (52996, 391833), (60282, 344474), (79494, 261222), (87074, 238482), (92196, 225233), (119241, 174148), (120564, 172237), (130611, 158988)]