20149295560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1\times {\mathrm{1697}}^1$

素因数の和:2663

約数の個数: 128

約数和(自身を含む): 50613984000

約数和(自身を除く): 30464688440

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 919, 1292, 1615, 1697, 1838, 2584, 3230, 3394, 3676, 4595, 6460, 6788, 7352, 8485, 9190, 12920, 13576, 15623, 16970, 17461, 18380, 28849, 31246, 32243, 33940, 34922, 36760, 57698, 62492, 64486, 67880, 69844, 78115, 87305, 115396, 124984, 128972, 139688, 144245, 156230, 161215, 174610, 230792, 257944, 288490, 296837, 312460, 322430, 349220, 548131, 576980, 593674, 624920, 644860, 698440, 1096262, 1153960, 1187348, 1289720, 1484185, 1559543, 2192524, 2374696, 2740655, 2968370, 3119086, 4385048, 5481310, 5936740, 6238172, 7797715, 10962620, 11873480, 12476344, 15595430, 21925240, 26512231, 29631317, 31190860, 53024462, 59262634, 62381720, 106048924, 118525268, 132561155, 148156585, 212097848, 237050536, 265122310, 296313170, 503732389, 530244620, 592626340, 1007464778, 1060489240, 1185252680, 2014929556, 2518661945, 4029859112, 5037323890, 10074647780, 20149295560]

約数ペア:

[(1, 20149295560), (2, 10074647780), (4, 5037323890), (5, 4029859112), (8, 2518661945), (10, 2014929556), (17, 1185252680), (19, 1060489240), (20, 1007464778), (34, 592626340), (38, 530244620), (40, 503732389), (68, 296313170), (76, 265122310), (85, 237050536), (95, 212097848), (136, 148156585), (152, 132561155), (170, 118525268), (190, 106048924), (323, 62381720), (340, 59262634), (380, 53024462), (646, 31190860), (680, 29631317), (760, 26512231), (919, 21925240), (1292, 15595430), (1615, 12476344), (1697, 11873480), (1838, 10962620), (2584, 7797715), (3230, 6238172), (3394, 5936740), (3676, 5481310), (4595, 4385048), (6460, 3119086), (6788, 2968370), (7352, 2740655), (8485, 2374696), (9190, 2192524), (12920, 1559543), (13576, 1484185), (15623, 1289720), (16970, 1187348), (17461, 1153960), (18380, 1096262), (28849, 698440), (31246, 644860), (32243, 624920), (33940, 593674), (34922, 576980), (36760, 548131), (57698, 349220), (62492, 322430), (64486, 312460), (67880, 296837), (69844, 288490), (78115, 257944), (87305, 230792), (115396, 174610), (124984, 161215), (128972, 156230), (139688, 144245)]