20213483920

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{10091}}^1$

素因数の和:10198

約数の個数: 160

約数和(自身を含む): 55562515200

約数和(自身を除く): 35349031280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 292, 343, 365, 392, 490, 511, 560, 584, 686, 730, 784, 980, 1022, 1168, 1372, 1460, 1715, 1960, 2044, 2555, 2744, 2920, 3430, 3577, 3920, 4088, 5110, 5488, 5840, 6860, 7154, 8176, 10091, 10220, 13720, 14308, 17885, 20182, 20440, 25039, 27440, 28616, 35770, 40364, 40880, 50078, 50455, 57232, 70637, 71540, 80728, 100156, 100910, 125195, 141274, 143080, 161456, 200312, 201820, 250390, 282548, 286160, 353185, 400624, 403640, 494459, 500780, 565096, 706370, 736643, 807280, 988918, 1001560, 1130192, 1412740, 1473286, 1977836, 2003120, 2472295, 2825480, 2946572, 3461213, 3683215, 3955672, 4944590, 5156501, 5650960, 5893144, 6922426, 7366430, 7911344, 9889180, 10313002, 11786288, 13844852, 14732860, 17306065, 19778360, 20626004, 25782505, 27689704, 29465720, 34612130, 36095507, 39556720, 41252008, 51565010, 55379408, 58931440, 69224260, 72191014, 82504016, 103130020, 138448520, 144382028, 180477535, 206260040, 252668549, 276897040, 288764056, 360955070, 412520080, 505337098, 577528112, 721910140, 1010674196, 1263342745, 1443820280, 2021348392, 2526685490, 2887640560, 4042696784, 5053370980, 10106741960, 20213483920]

約数ペア:

[(1, 20213483920), (2, 10106741960), (4, 5053370980), (5, 4042696784), (7, 2887640560), (8, 2526685490), (10, 2021348392), (14, 1443820280), (16, 1263342745), (20, 1010674196), (28, 721910140), (35, 577528112), (40, 505337098), (49, 412520080), (56, 360955070), (70, 288764056), (73, 276897040), (80, 252668549), (98, 206260040), (112, 180477535), (140, 144382028), (146, 138448520), (196, 103130020), (245, 82504016), (280, 72191014), (292, 69224260), (343, 58931440), (365, 55379408), (392, 51565010), (490, 41252008), (511, 39556720), (560, 36095507), (584, 34612130), (686, 29465720), (730, 27689704), (784, 25782505), (980, 20626004), (1022, 19778360), (1168, 17306065), (1372, 14732860), (1460, 13844852), (1715, 11786288), (1960, 10313002), (2044, 9889180), (2555, 7911344), (2744, 7366430), (2920, 6922426), (3430, 5893144), (3577, 5650960), (3920, 5156501), (4088, 4944590), (5110, 3955672), (5488, 3683215), (5840, 3461213), (6860, 2946572), (7154, 2825480), (8176, 2472295), (10091, 2003120), (10220, 1977836), (13720, 1473286), (14308, 1412740), (17885, 1130192), (20182, 1001560), (20440, 988918), (25039, 807280), (27440, 736643), (28616, 706370), (35770, 565096), (40364, 500780), (40880, 494459), (50078, 403640), (50455, 400624), (57232, 353185), (70637, 286160), (71540, 282548), (80728, 250390), (100156, 201820), (100910, 200312), (125195, 161456), (141274, 143080)]