20156193616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1429}}^1\times {\mathrm{3989}}^1$

素因数の和:5456

約数の個数: 80

約数和(自身を含む): 44572928400

約数和(自身を除く): 24416734784

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1429, 1768, 2858, 3536, 3989, 5716, 7978, 11432, 15956, 18577, 22864, 24293, 31912, 37154, 48586, 51857, 63824, 67813, 74308, 97172, 103714, 135626, 148616, 194344, 207428, 271252, 297232, 315809, 388688, 414856, 542504, 631618, 829712, 881569, 1085008, 1263236, 1763138, 2526472, 3526276, 5052944, 5700281, 7052552, 11400562, 14105104, 22801124, 45602248, 74103653, 91204496, 96904777, 148207306, 193809554, 296414612, 387619108, 592829224, 775238216, 1185658448, 1259762101, 1550476432, 2519524202, 5039048404, 10078096808, 20156193616]

約数ペア:

[(1, 20156193616), (2, 10078096808), (4, 5039048404), (8, 2519524202), (13, 1550476432), (16, 1259762101), (17, 1185658448), (26, 775238216), (34, 592829224), (52, 387619108), (68, 296414612), (104, 193809554), (136, 148207306), (208, 96904777), (221, 91204496), (272, 74103653), (442, 45602248), (884, 22801124), (1429, 14105104), (1768, 11400562), (2858, 7052552), (3536, 5700281), (3989, 5052944), (5716, 3526276), (7978, 2526472), (11432, 1763138), (15956, 1263236), (18577, 1085008), (22864, 881569), (24293, 829712), (31912, 631618), (37154, 542504), (48586, 414856), (51857, 388688), (63824, 315809), (67813, 297232), (74308, 271252), (97172, 207428), (103714, 194344), (135626, 148616)]